CREATE TABLE "singles_performance_timeline" (
  "tournament" text,
  "1992" text,
  "1993" text,
  "1994" text,
  "1995" text,
  "1996" text,
  "1997" text,
  "1998" text,
  "1999" text,
  "2000" text,
  "2001" text,
  "2002" text,
  "2003" text,
  "2004" text,
  "2005" text
);

Question: What is Tournament, when 2000 is "A"?
SQL: SELECT "tournament" FROM "singles_performance_timeline" WHERE "2000"='a';

Question: What is 1998, when 1997 is "3R", and when 1992 is "A"?
SQL: SELECT "1998" FROM "singles_performance_timeline" WHERE "1997"='3r' AND "1992"='a';

Question: What is 1992, when 1999 is "Year-End Championship"?
SQL: SELECT "1992" FROM "singles_performance_timeline" WHERE "1999"='year-end championship';

Question: What is 2005, when 1998 is "F", and when 2002 is "2R"?
SQL: SELECT "2005" FROM "singles_performance_timeline" WHERE "1998"='f' AND "2002"='2r';