What is the average Top-5, when Tournament is U.S. Open, and when Cuts Made is greater than 10?
CREATE TABLE "summary" (
  "tournament" text,
  "wins" real,
  "top_5" real,
  "top_10" real,
  "top_25" real,
  "events" real,
  "cuts_made" real
);
SELECT AVG("top_5") FROM "summary" WHERE "tournament"='u.s. open' AND "cuts_made">10;