CREATE TABLE "singles_performance_timeline" (
  "tournament" text,
  "2004" text,
  "2005" text,
  "2006" text,
  "2007" text,
  "2008" text,
  "2009" text,
  "2010" text,
  "2011" text
);

Question: What is 2004, when 2008 is "WTA Premier 5 Tournaments"?
SQL: SELECT "2004" FROM "singles_performance_timeline" WHERE "2008"='wta premier 5 tournaments';

Question: What is 2010, when 2009 is "1"?
SQL: SELECT "2010" FROM "singles_performance_timeline" WHERE "2009"='1';

Question: What is 2004, when 2005 is "Not Tier I"?
SQL: SELECT "2004" FROM "singles_performance_timeline" WHERE "2005"='not tier i';

Question: What is 2007, when Tournament is "Madrid"?
SQL: SELECT "2007" FROM "singles_performance_timeline" WHERE "tournament"='madrid';

Question: What is 2011, when 2006 is "A", when 2008 is "A", and when Tournament is "Rome"?
SQL: SELECT "2011" FROM "singles_performance_timeline" WHERE "2006"='a' AND "2008"='a' AND "tournament"='rome';

Question: What is 2011, when 2010 is "WTA Premier 5 Tournaments"?
SQL: SELECT "2011" FROM "singles_performance_timeline" WHERE "2010"='wta premier 5 tournaments';