CREATE TABLE table_12275654_1 (mens_doubles VARCHAR, mens_singles VARCHAR)

Who won the men's double when Chou Tien-Chen won the men's single?
SELECT mens_doubles FROM table_12275654_1 WHERE mens_singles = "Chou Tien-chen"
SELECT "mens_doubles" FROM "table_12275654_1" WHERE "Chou Tien-chen" = "mens_singles"