CREATE TABLE table_name_48 (grid INT, rider VARCHAR, laps VARCHAR)

What is the grid number for troy corser with under 22 laps?
SELECT SUM(grid) FROM table_name_48 WHERE rider = "troy corser" AND laps < 22
SELECT SUM("grid") FROM "table_name_48" WHERE "laps" < 22 AND "rider" = "troy corser"