CREATE TABLE "doubles_performance_timeline" (
  "tournament" text,
  "2009" text,
  "2010" text,
  "2011" text,
  "2012" text,
  "2013" text
);

Question: What is the 2010 with a qf in 2011?
SQL: SELECT "2010" FROM "doubles_performance_timeline" WHERE "2011"='qf';

Question: What is the 2013 of the grand slam tournaments?
SQL: SELECT "2013" FROM "doubles_performance_timeline" WHERE "tournament"='grand slam tournaments';

Question: What is the 2013 with a 2r in 2010 and a qf in 2011?
SQL: SELECT "2013" FROM "doubles_performance_timeline" WHERE "2010"='2r' AND "2011"='qf';

Question: What is the 2011 with 1r in 2010?
SQL: SELECT "2011" FROM "doubles_performance_timeline" WHERE "2010"='1r';

Question: What is the 2012 with A in 2009 and 2r in 2010?
SQL: SELECT "2012" FROM "doubles_performance_timeline" WHERE "2009"='a' AND "2010"='2r';