What is the conversion number with 0 drops on 02/07/2011?
CREATE TABLE "most_points_in_a_match" (
  "player" text,
  "tries" text,
  "conv" text,
  "pens" text,
  "drop" text,
  "venue" text,
  "date" text
);
SELECT "conv" FROM "most_points_in_a_match" WHERE "drop"='0' AND "date"='02/07/2011';