CREATE TABLE "singles_performance_timeline" (
  "tournament" text,
  "1990" text,
  "1991" text,
  "1992" text,
  "1993" text,
  "1994" text,
  "1995" text,
  "1996" text,
  "1997" text,
  "1998" text,
  "1999" text,
  "2000" text
);

Question: What 1997 has grand slams for the 1999?
SQL: SELECT "1997" FROM "singles_performance_timeline" WHERE "1999"='grand slams';

Question: What 1992 has atp masters series for the 1995?
SQL: SELECT "1992" FROM "singles_performance_timeline" WHERE "1995"='atp masters series';

Question: What 1995 has 1r as the 1999, and a 1998 of 4r?
SQL: SELECT "1995" FROM "singles_performance_timeline" WHERE "1999"='1r' AND "1998"='4r';

Question: What 1998 has 2r as a 1993, and 1r as a 1990?
SQL: SELECT "1998" FROM "singles_performance_timeline" WHERE "1993"='2r' AND "1990"='1r';

Question: What 1997, has qf as a 1994, and 1r as a 1999?
SQL: SELECT "1997" FROM "singles_performance_timeline" WHERE "1994"='qf' AND "1999"='1r';

Question: What 1993 has 2r as a 1994, and 1r as a 1995?
SQL: SELECT "1993" FROM "singles_performance_timeline" WHERE "1994"='2r' AND "1995"='1r';