What is the 2006 figure for Argentina when 2007 is less than 0,15?
CREATE TABLE "world_energy_intensity_progression_by_ye" (
  "country" text,
  "unit_p_koe_05" text,
  "2006" real,
  "2007" real,
  "2008" real,
  "2009" real
);
SELECT COUNT("2006") FROM "world_energy_intensity_progression_by_ye" WHERE "country"='argentina' AND "2007"<'0,15';