simple structure

file.js

const makesModels = {
  "Acura": {
    "ILX": {
      "years": [
        2016,
        2015,
        2014,
        2013,
        2012
      ]
    },
    "FTP": {
      "years": [
        2016,
        2015,
        2014
      ]
    },
    "XYZ": {
      "years": [
        2016,
        2015
      ]
    }
  }
}

const run = year => {
  
}

/*
  Function run/1 takes in year, returns all models from that year
*/

run(2014) // => should return ["ILX", "FTP"]