What is the lowest number of events the Open Championship has with a less than 0 top-10?
CREATE TABLE "summary" (
  "tournament" text,
  "wins" real,
  "top_10" real,
  "top_25" real,
  "events" real,
  "cuts_made" real
);
SELECT MIN("events") FROM "summary" WHERE "tournament"='the open championship' AND "top_10"<0;