CREATE TABLE table_49830 ("Rider" TEXT, "Manufacturer" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

Which Time/Retired has a Rider of daijiro kato?
SELECT "Time/Retired" FROM table_49830 WHERE "Rider" = 'daijiro kato'
SELECT "Time/Retired" FROM "table_49830" WHERE "Rider" = 'daijiro kato'