CREATE TABLE table_12275551_1 (mens_singles VARCHAR, womens_singles VARCHAR)

Who won the mens singles when sayaka sato won the womens singles?
SELECT mens_singles FROM table_12275551_1 WHERE womens_singles = "Sayaka Sato"
SELECT "mens_singles" FROM "table_12275551_1" WHERE "Sayaka Sato" = "womens_singles"