CREATE TABLE table_63416 ("Rider" TEXT, "Bike" TEXT, "Laps" FLOAT, "Time" TEXT, "Grid" FLOAT)

Which Rider has less than 18 laps, and a Grid of 24?
SELECT "Rider" FROM table_63416 WHERE "Laps" < '18' AND "Grid" = '24'
SELECT "Rider" FROM "table_63416" WHERE "Grid" = '24' AND "Laps" < '18'