CREATE TABLE "game_log" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "decision" text,
  "attendance" real,
  "record" text
);

Question: What Visiting Team(s) had an Attendance of over 18,680
SQL: SELECT "visitor" FROM "game_log" WHERE "attendance">'18,680';

Question: When Nashville was the visiting team what was the lowest Attendance shown?
SQL: SELECT MIN("attendance") FROM "game_log" WHERE "visitor"='nashville';