Who won the Womens Singles in the year the Jean-Michel Saive won the Mens Singles?
CREATE TABLE "us_open" (
  "year_location" text,
  "mens_singles" text,
  "womens_singles" text,
  "mens_doubles" text,
  "womens_doubles" text
);
SELECT "womens_singles" FROM "us_open" WHERE "mens_singles"='Jean-Michel Saive';