CREATE TABLE "doubles_performance_timeline" (
  "tournament" text,
  "2007" text,
  "2008" text,
  "2009" text,
  "2010" text,
  "2011" text,
  "2012" text
);

Question: Name the 2010 for 2007 of a and 2012 of a
SQL: SELECT "2010" FROM "doubles_performance_timeline" WHERE "2007"='a' AND "2012"='a';

Question: Name the 2008 for 2012 being a and tournament of australian open
SQL: SELECT "2008" FROM "doubles_performance_timeline" WHERE "2012"='a' AND "tournament"='australian open';

Question: Name the tournament for 2012 grand slam tournaments
SQL: SELECT "tournament" FROM "doubles_performance_timeline" WHERE "2012"='grand slam tournaments';