CREATE TABLE "doubles_performance_timeline" (
  "tournament" text,
  "2007" text,
  "2011" text,
  "2012" text,
  "2013" text
);

Question: What is the value for 2011 corresponding to a 2007 value of 1r?
SQL: SELECT "2011" FROM "doubles_performance_timeline" WHERE "2007"='1r';

Question: What value in 2013 corresponds to Grand Slam Tournaments in 2012?
SQL: SELECT "2013" FROM "doubles_performance_timeline" WHERE "2012"='grand slam tournaments';

Question: What is the 2012 value when the 2011 and 2007 values are 1R?
SQL: SELECT "2012" FROM "doubles_performance_timeline" WHERE "2011"='1r' AND "2007"='1r';

Question: What value for 2013 corresponds to the US Open Tournament?
SQL: SELECT "2013" FROM "doubles_performance_timeline" WHERE "tournament"='us open';