What is the highest rank of the day with a gross of $38,916 and more than 6 screens?
CREATE TABLE "opening_weekend_gross" (
  "date" text,
  "territory" text,
  "screens" real,
  "rank" real,
  "gross" text
);
SELECT MAX("rank") FROM "opening_weekend_gross" WHERE "gross"='$38,916' AND "screens">6;