What is the highest 2009 value with a 2006 value smaller than 280.4, a 2007 less than 2.2, and a 2011 less than 3.5?
CREATE TABLE "economic_profile" (
  "geographic_unit" text,
  "2006" real,
  "2007" real,
  "2008" real,
  "2009" real,
  "2010" real,
  "2011" real
);
SELECT MAX("2009") FROM "economic_profile" WHERE "2006"<280.4 AND "2007"<2.2 AND "2010"<3.5;