What are the average Laps on Grid 15?
CREATE TABLE table_name_88 (laps INTEGER, grid VARCHAR)
SELECT AVG(laps) FROM table_name_88 WHERE grid = 15
### Context: CREATE TABLE table_name_88 (laps INTEGER, grid VARCHAR) ### Question: What are the average Laps on Grid 15? ### Answer: SELECT AVG(laps) FROM table_name_88 WHERE grid = 15