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