What is the 2002 result when 2006 is A and 2010 is Q1?
CREATE TABLE "singles_performance_timeline" (
  "tournament" text,
  "2000" text,
  "2001" text,
  "2002" text,
  "2003" text,
  "2004" text,
  "2005" text,
  "2006" text,
  "2007" text,
  "2008" text,
  "2009" text,
  "2010" text,
  "2011" text
);
SELECT "2002" FROM "singles_performance_timeline" WHERE "2006"='a' AND "2010"='q1';