CREATE TABLE table_63415 ("Rider" TEXT, "Bike" TEXT, "Laps" FLOAT, "Time" TEXT, "Grid" FLOAT)

Which Rider has a Time of retirement, and a Grid larger than 5?
SELECT "Rider" FROM table_63415 WHERE "Time" = 'retirement' AND "Grid" > '5'
SELECT "Rider" FROM "table_63415" WHERE "Grid" > '5' AND "Time" = 'retirement'