Question: What is the 1994 when QF is 1999?
SQL: SELECT "1994" FROM "2-1849753-5" WHERE "1999" = 'QF';

Question: What is the 1991 when 1997 is 18?
SQL: SELECT "1991" FROM "2-1849753-5" WHERE "1997" = '18';

Question: What's the 1991 when 1999 is 14?
SQL: SELECT "1991" FROM "2-1849753-5" WHERE "1999" = '14';

Question: What's the 1996 when 1997 is 3R?
SQL: SELECT "1996" FROM "2-1849753-5" WHERE "1997" = '3R';

Question: What is 1994 when 1996 is 3R?
SQL: SELECT "1994" FROM "2-1849753-5" WHERE "1996" = '3R';

Question: What is 1996 during the US Open?
SQL: SELECT "1996" FROM "2-1849753-5" WHERE "Tournament" = 'US Open';