What is the lowest attendance on Monday, November 10 when linköpings hc was the home team and there were more than 18 rounds?
CREATE TABLE "game_log" (
  "round" real,
  "date" text,
  "home" text,
  "result" text,
  "visitor" text,
  "venue" text,
  "attendance" real
);
SELECT MIN("attendance") FROM "game_log" WHERE "home"='linköpings hc' AND "date"='monday, november 10' AND "round">18;