{
  "columns": [
    "track_album_artist$id",
    "track_album_artist$caption",
    "count(invoiceLineId) as lineCount"
  ],
  "slice": [
    {
      "field": "invoice$invoiceDate",
      "op": "[)",
      "value": [
        "2012-01-01",
        "2013-01-01"
      ]
    }
  ],
  "groupBy": [
    "track_album_artist$id",
    "track_album_artist$caption"
  ],
  "orderBy": [
    "track_album_artist$id"
  ],
  "limit": 500,
  "returnTotal": true
}