Question: How many players are on this list?
SQL: SELECT MAX("#") FROM "1-197638-6";

Question: Who won the French Open in 1999?
SQL: SELECT "Player" FROM "1-197638-6" WHERE "French Open" = 1999.0;

Question: Who won the US Open in 1937?
SQL: SELECT "Player" FROM "1-197638-6" WHERE "US Open" = 1937.0;

Question: How many times did Roy Emerson win the Australian Open?
SQL: SELECT COUNT("Australian Open") FROM "1-197638-6" WHERE "Player" = 'Roy Emerson';

Question: At what age did Roy Emerson complete the Grand Slam?
SQL: SELECT MAX("Age") FROM "1-197638-6" WHERE "Player" = 'Roy Emerson';