CREATE TABLE "women_s_singles" (
  "num" real,
  "player" text,
  "age" text,
  "australian_open" real,
  "french_open" real,
  "wimbledon" real,
  "us_open" real
);

Question: What is the number for the french open 1974?
SQL: SELECT MAX("num") FROM "women_s_singles" WHERE "french_open"=1974;

Question: When was the Australian open?
SQL: SELECT MAX("australian_open") FROM "women_s_singles";

Question: How many ages have Maureen Connolly Brinker as the player?
SQL: SELECT COUNT("age") FROM "women_s_singles" WHERE "player"='Maureen Connolly Brinker';

Question: When is the French Open when serena williams is the player?
SQL: SELECT MIN("french_open") FROM "women_s_singles" WHERE "player"='Serena Williams';