CREATE TABLE "singles_performance_timeline" (
  "tournament" 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,
  "2006" text,
  "2007" text,
  "career_wr" text,
  "career_win_loss" text
);

Question: What is Career Win-Loss, when Tournament is "Hamburg"?
SQL: SELECT "career_win_loss" FROM "singles_performance_timeline" WHERE "tournament"='hamburg';

Question: What is 2004, when 2003 is "1R", and when 2006 is "A"?
SQL: SELECT "2004" FROM "singles_performance_timeline" WHERE "2003"='1r' AND "2006"='a';

Question: What is 2007, when 2000 is "0 / 4"?
SQL: SELECT "2007" FROM "singles_performance_timeline" WHERE "2000"='0 / 4';

Question: What is 2007, when 2003 is "85"?
SQL: SELECT "2007" FROM "singles_performance_timeline" WHERE "2003"='85';

Question: What is 2004, when 2007 is "A", and when 1997 is "A"?
SQL: SELECT "2004" FROM "singles_performance_timeline" WHERE "2007"='a' AND "1997"='a';

Question: What is 2000, when 1996 is "A", when 1997 is "A", and when 2007 is "A"?
SQL: SELECT "2000" FROM "singles_performance_timeline" WHERE "1996"='a' AND "1997"='a' AND "2007"='a';