CREATE TABLE table_name_26 (laps INT, grid VARCHAR, fin_pos VARCHAR)

What is the highest Laps Led with a grid of less than 4 and a finishing position of 15?
SELECT MAX(laps) AS Led FROM table_name_26 WHERE grid < 4 AND fin_pos = 15
SELECT MAX("laps") AS "Led" FROM "table_name_26" WHERE "fin_pos" = 15 AND "grid" < 4