CREATE TABLE table_21424 ("Fin. Pos" FLOAT, "Car No." FLOAT, "Driver" CLOB, "Team" CLOB, "Laps" FLOAT, "Time/Retired" CLOB, "Grid" FLOAT, "Laps Led" FLOAT, "Points" CLOB)

Car number 15 earned what time?
SELECT "Time/Retired" FROM table_21424 WHERE "Car No." = '15'
SELECT "Time/Retired" FROM "table_21424" WHERE "Car No." = '15'