CREATE TABLE "single_performance_statistics" (
  "tournament" text,
  "2006" text,
  "2007" text,
  "2008" text,
  "2009" text,
  "2010" text,
  "2011" text,
  "2012" text,
  "2013" text
);

Question: What is the 2011 value of the French Open, which has a 2006 value of A?
SQL: SELECT "2011" FROM "single_performance_statistics" WHERE "2006"='a' AND "tournament"='french open';

Question: What is the tournament with a 2006 value of A and a 2011 value of 1r?
SQL: SELECT "tournament" FROM "single_performance_statistics" WHERE "2006"='a' AND "2011"='1r';

Question: What is the 2007 value of the US Open?
SQL: SELECT "2007" FROM "single_performance_statistics" WHERE "tournament"='us open';

Question: What is the tournament with a 2006 value of A and a 2011 value of 3r?
SQL: SELECT "tournament" FROM "single_performance_statistics" WHERE "2006"='a' AND "2011"='3r';