CREATE TABLE table_64582 ("Wager" TEXT, "Winner" TEXT, "Loser" TEXT, "Location" TEXT, "Date" TEXT)

What is the wager on August 23, 1992 where vampiro was the winner?
SELECT "Wager" FROM table_64582 WHERE "Winner" = 'vampiro' AND "Date" = 'august 23, 1992'
SELECT "Wager" FROM "table_64582" WHERE "Date" = 'august 23, 1992' AND "Winner" = 'vampiro'