CREATE TABLE table_23297 ("#" FLOAT, "Player" TEXT, "Age" FLOAT, "Australian Open" FLOAT, "French Open" FLOAT, "Wimbledon" FLOAT, "US Open" FLOAT)

Who won the US Open in 1937?
SELECT "Player" FROM table_23297 WHERE "US Open" = '1937'
SELECT "Player" FROM "table_23297" WHERE "US Open" = '1937'