db.json

{
  "films": [
    {
      "id": 1,
      "title": "Star Trek: The motion picture",
      "year": "1979",
      "director_id": 1
    },
    {
      "id": 2,
      "title": "Star Trek II: The wrath of Khan",
      "year": "1982",
      "director_id": 2
    },
    {
      "id": 3,
      "title": "Star Trek III: The search of Spock",
      "year": "1984",
      "director_id": 3
    },
    {
      "id": 4,
      "title": "Star Trek IV: The voyage home",
      "year": "1986",
      "director_id": 3
    }
  ],
  "directors": [
    {
      "id": 1,
      "name": "Robert Wise",
      "films": [1]
    },
    {
      "id": 2,
      "name": "Nicholas Meyer",
      "films": [2]
    },
    {
      "id": 3,
      "name": "Leonard Nimoy",
      "films": [3, 4]
    }
  ]
}