What is the round for the qualifying phase with a draw date on 16 July 2010?
CREATE TABLE "round_and_draw_dates" (
  "phase" text,
  "round" text,
  "draw_date" text,
  "first_leg" text,
  "second_leg" text
);
SELECT "round" FROM "round_and_draw_dates" WHERE "phase"='qualifying' AND "draw_date"='16 july 2010';