What is the 2006 result of the Canada Masters tournament that is A in 2009 and A in 2010?
CREATE TABLE "singles_performance_timeline" (
  "tournament" text,
  "2006" text,
  "2007" text,
  "2008" text,
  "2009" text,
  "2010" text,
  "2011" text,
  "2012" text
);
SELECT "2006" FROM "singles_performance_timeline" WHERE "2010"='a' AND "2009"='a' AND "tournament"='canada masters';