What shows for 2004 when 2005 is A, 2006 is A, tournament is US Open?
CREATE TABLE "doubles_performance_timeline" (
  "tournament" text,
  "2002" text,
  "2004" text,
  "2005" text,
  "2006" text
);
SELECT "2004" FROM "doubles_performance_timeline" WHERE "2005"='a' AND "2006"='a' AND "tournament"='us open';