What is the total of wins where the top 25 is 6, top 10 is more than 2, and the event number is less than 19?
CREATE TABLE "summary" (
  "tournament" text,
  "wins" real,
  "top_5" real,
  "top_10" real,
  "top_25" real,
  "events" real,
  "cuts_made" real
);
SELECT SUM("wins") FROM "summary" WHERE "top_25"=6 AND "top_10">2 AND "events"<19;