CREATE TABLE table_76650 ("Rider" TEXT, "Manufacturer" TEXT, "Laps" TEXT, "Time/Retired" TEXT, "Grid" TEXT)

What is the time/retired for the rider with the manufacturuer yamaha, grod of 1 and 21 total laps?
SELECT "Time/Retired" FROM table_76650 WHERE "Laps" = '21' AND "Manufacturer" = 'yamaha' AND "Grid" = '1'
SELECT "Time/Retired" FROM "table_76650" WHERE "Grid" = '1' AND "Laps" = '21' AND "Manufacturer" = 'yamaha'