CREATE TABLE "singles_performance_timeline" (
  "tournament" text,
  "2006" text,
  "2007" text,
  "2008" text,
  "2009" text,
  "2011" text,
  "2012" text
);

Question: What was the result in 2009 for the US Open Tournament?
SQL: SELECT "2009" FROM "singles_performance_timeline" WHERE "tournament"='us open';

Question: For the Australian Open, in 2007 the result was A, but what was the result in 2012?
SQL: SELECT "2012" FROM "singles_performance_timeline" WHERE "2007"='a' AND "tournament"='australian open';

Question: What was the result in the 2012 for the US Open tournament?
SQL: SELECT "2012" FROM "singles_performance_timeline" WHERE "tournament"='us open';