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

Question: Which tournament had a 2012 of a and a 2011 of 2r?
SQL: SELECT "tournament" FROM "singles_performance_timeline" WHERE "2012"='a' AND "2011"='2r';

Question: Which 2009's 2010 featured the wta premier 5 tournaments?
SQL: SELECT "2009" FROM "singles_performance_timeline" WHERE "2010"='wta premier 5 tournaments';

Question: Which 2011's tournament was Indian Wells?
SQL: SELECT "2011" FROM "singles_performance_timeline" WHERE "tournament"='indian wells';

Question: Which 2010 stat featured the tournament of the Olympic Games?
SQL: SELECT "2010" FROM "singles_performance_timeline" WHERE "tournament"='olympic games';