CREATE TABLE table_69502 ("Year" CLOB, "Start" CLOB, "Qual" CLOB, "Rank" CLOB, "Finish" CLOB, "Laps" FLOAT)

What is the highest number of laps with a 21 start?
SELECT MAX("Laps") FROM table_69502 WHERE "Start" = '21'
SELECT MAX("Laps") FROM "table_69502" WHERE "Start" = '21'