CREATE TABLE table_21422 ("Fin. Pos" FLOAT, "Car No." FLOAT, "Driver" TEXT, "Team" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT, "Laps Led" FLOAT, "Points" TEXT)

What grid did the driver who earned 19 points start at?
SELECT "Grid" FROM table_21422 WHERE "Points" = '19'
SELECT "Grid" FROM "table_21422" WHERE "Points" = '19'