CREATE TABLE table_19674 ("Year" FLOAT, "Mens singles" TEXT, "Womens singles" TEXT, "Mens doubles" TEXT, "Womens doubles" TEXT, "Mixed doubles" TEXT)

Name the mens singles when mens doubles is george georgoudis gerostergiou
SELECT "Mens singles" FROM table_19674 WHERE "Mens doubles" = 'George Georgoudis Gerostergiou'
SELECT "Mens singles" FROM "table_19674" WHERE "Mens doubles" = 'George Georgoudis Gerostergiou'