CREATE TABLE table_46291 ("Rider" TEXT, "Manufacturer" TEXT, "Laps" FLOAT, "Time" TEXT, "Grid" FLOAT)

What is the lowest grid with time of +0.499,when laps are larger than 21?
SELECT MIN("Grid") FROM table_46291 WHERE "Time" = '+0.499' AND "Laps" > '21'
SELECT MIN("Grid") FROM "table_46291" WHERE "Laps" > '21' AND "Time" = '+0.499'