CREATE TABLE table_8998 ("Rider" TEXT, "Manufacturer" TEXT, "Laps" TEXT, "Time/Retired" TEXT, "Grid" TEXT)

What was the time/retired for the car raced by Simone Grotzkyj?
SELECT "Time/Retired" FROM table_8998 WHERE "Rider" = 'simone grotzkyj'
SELECT "Time/Retired" FROM "table_8998" WHERE "Rider" = 'simone grotzkyj'