{
  "rolls_royce": [
    {
      "year": "2023",
      "models": [
        {
          "name": "ghost",
          "engines": [
            "6.7L V12"
          ],
          "submodels": []
        }
      ]
    },
    {
      "year": "2006",
      "models": [
        {
          "name": "phantom",
          "engines": [
            "6.7L V12"
          ],
          "submodels": [
            "Base"
          ]
        }
      ]
    },
    {
      "year": "1997",
      "models": [
        {
          "name": "silver_spur",
          "engines": [
            "6.8L V8"
          ],
          "submodels": [
            "Base"
          ]
        }
      ]
    },
    {
      "year": "1991",
      "models": [
        {
          "name": "silver_spirit",
          "engines": [
            "6.8L V8"
          ],
          "submodels": []
        },
        {
          "name": "silver_spur",
          "engines": [
            "6.8L V8"
          ],
          "submodels": [
            "Base"
          ]
        }
      ]
    },
    {
      "year": "1990",
      "models": [
        {
          "name": "silver_spirit",
          "engines": [
            "6.8L V8"
          ],
          "submodels": []
        }
      ]
    },
    {
      "year": "1986",
      "models": [
        {
          "name": "silver_spirit",
          "engines": [
            "6.8L V8"
          ],
          "submodels": []
        }
      ]
    },
    {
      "year": "1985",
      "models": [
        {
          "name": "silver_spur",
          "engines": [
            "6.8L V8"
          ],
          "submodels": [
            "Base"
          ]
        }
      ]
    },
    {
      "year": "1976",
      "models": [
        {
          "name": "corniche",
          "engines": [
            "6.8L V8"
          ],
          "submodels": []
        }
      ]
    },
    {
      "year": "1974",
      "models": [
        {
          "name": "silver_shadow",
          "engines": [
            "6.8L V8"
          ],
          "submodels": [
            "Base"
          ]
        }
      ]
    },
    {
      "year": "1972",
      "models": [
        {
          "name": "silver_shadow",
          "engines": [
            "6.8L V8"
          ],
          "submodels": [
            "Base"
          ]
        }
      ]
    },
    {
      "year": "1971",
      "models": [
        {
          "name": "silver_shadow",
          "engines": [
            "6.8L V8"
          ],
          "submodels": [
            "Base"
          ]
        }
      ]
    },
    {
      "year": "1960",
      "models": [
        {
          "name": "phantom",
          "engines": [
            "6.7L V12"
          ],
          "submodels": [
            "Base"
          ]
        }
      ]
    }
  ]
}