CREATE TABLE table_4465 ("Round" FLOAT, "Track" TEXT, "Date" TEXT, "Pole Position" TEXT, "Fastest Lap" TEXT, "Winner" TEXT, "Team" TEXT)

Who was the winner when Katsuyuki Hiranaka had the fastest lap?
SELECT "Winner" FROM table_4465 WHERE "Fastest Lap" = 'katsuyuki hiranaka'
SELECT "Winner" FROM "table_4465" WHERE "Fastest Lap" = 'katsuyuki hiranaka'