CREATE TABLE "doubles_performance_timeline" (
  "tournament" text,
  "1998" text,
  "1999" text,
  "2000" text,
  "2001" text,
  "2002" text,
  "2003" text,
  "2004" text,
  "2005" text,
  "2006" text,
  "2007" text,
  "2008" text,
  "2009" text,
  "2010" text,
  "2011" text,
  "2012" text
);

Question: What is the 2009 result when 2011 is 1R and 2007 is A?
SQL: SELECT "2009" FROM "doubles_performance_timeline" WHERE "2011"='1r' AND "2007"='a';

Question: What is the 2008 result when 2006 is Year-End Championship?
SQL: SELECT "2008" FROM "doubles_performance_timeline" WHERE "2006"='year-end championship';

Question: What is the 2009 when 2012 is Year-End Championship?
SQL: SELECT "2009" FROM "doubles_performance_timeline" WHERE "2012"='year-end championship';

Question: What is the 2008 result when 2012 and 2005 are both QF?
SQL: SELECT "2008" FROM "doubles_performance_timeline" WHERE "2012"='qf' AND "2005"='qf';

Question: What is the 1999 answer when 1998 is Grand Slam Tournaments?
SQL: SELECT "1999" FROM "doubles_performance_timeline" WHERE "1998"='grand slam tournaments';