Who was the constructor of the car that went 56 laps and had a grid of 15?
CREATE TABLE table_name_31 (constructor VARCHAR, laps VARCHAR, grid VARCHAR)
SELECT constructor FROM table_name_31 WHERE laps = "56" AND grid = "15"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_31 (constructor VARCHAR, laps VARCHAR, grid VARCHAR) Question: Who was the constructor of the car that went 56 laps and had a grid of 15? [/INST] SELECT constructor FROM table_name_31 WHERE laps = "56" AND grid = "15" </s>