What is the grid number for troy corser with under 22 laps?
CREATE TABLE table_name_48 (grid INTEGER, rider VARCHAR, laps VARCHAR)
SELECT SUM(grid) FROM table_name_48 WHERE rider = "troy corser" AND laps < 22
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_48 (grid INTEGER, rider VARCHAR, laps VARCHAR) Question: What is the grid number for troy corser with under 22 laps? [/INST] SELECT SUM(grid) FROM table_name_48 WHERE rider = "troy corser" AND laps < 22 </s>