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

Question: Which tournament had a 2009 result of 1R?
SQL: SELECT "tournament" FROM "doubles_performance_timeline" WHERE "2009"='1r';

Question: Which tournament had a 2010 result of QF and a 2012 result of SF?
SQL: SELECT "tournament" FROM "doubles_performance_timeline" WHERE "2012"='sf' AND "2010"='qf';

Question: Which tournament had a result in 2010 and 2012 of a?
SQL: SELECT "tournament" FROM "doubles_performance_timeline" WHERE "2012"='a' AND "2010"='a';