What is the total 18-49 for the episode that aired on July 2, 2009 with more than 3.5 viewers?
CREATE TABLE "season_two" (
  "order" real,
  "episode" text,
  "air_date" text,
  "u_s_timeslot_est" text,
  "18_49" real,
  "viewers" real
);
SELECT COUNT("18_49") FROM "season_two" WHERE "air_date"='july 2, 2009' AND "viewers">3.5;