/*
{
  "qid": "018",
  "task_type": "ambig",
  "has_intended_resolution": true,
  "language": "SQLite",
  "db": "retails",
  "question": "Count the number of customers that have used air shipping.",
  "gold_ambiguity_points": [
    {
      "id": "A",
      "phrase": "air shipping",
      "type": "finite",
      "ambiguity_type": "semantic_value",
      "interpretations": [
        "ship mode is AIR",
        "ship mode is AIR or REG AIR"
      ],
      "intended_interpretation_idx": 1
    }
  ],
  "gold_intended_query_id": "GQRY-A.1",
  "extra_info": {}
}
*/


----- START OF GOLD QUERY `GQRY-A.0` -----
/*
{
  "id": "GQRY-A.0",
  "parameter_names": [],
  "parameter_values": {},
  "other_exec_results": [],
  "required_columns": null,
  "required_sorted": false,
  "extra_info": {
    "ambiguity_resolution": {
      "[A] air shipping": "ship mode is AIR"
    }
  }
}
*/
SELECT COUNT(DISTINCT c.c_custkey)
FROM customer c
JOIN orders o ON c.c_custkey = o.o_custkey
JOIN lineitem l ON o.o_orderkey = l.l_orderkey
WHERE l.l_shipmode = 'AIR';
/* EXEC RESULT
 COUNT(DISTINCT c.c_custkey)
                       88988
*/
----- END OF GOLD QUERY -----


----- START OF GOLD QUERY `GQRY-A.1` -----
/*
{
  "id": "GQRY-A.1",
  "parameter_names": [],
  "parameter_values": {},
  "other_exec_results": [],
  "required_columns": null,
  "required_sorted": false,
  "extra_info": {
    "ambiguity_resolution": {
      "[A] air shipping": "ship mode is AIR or REG AIR"
    }
  }
}
*/
SELECT COUNT(DISTINCT c.c_custkey)
FROM customer c
JOIN orders o ON c.c_custkey = o.o_custkey
JOIN lineitem l ON o.o_orderkey = l.l_orderkey
WHERE l.l_shipmode IN ('AIR', 'REG AIR');
/* EXEC RESULT
 COUNT(DISTINCT c.c_custkey)
                       92006
*/
----- END OF GOLD QUERY -----