Question: Which Opponent has a Time of 2:31?
SQL: SELECT "Opponent" FROM "2-1521674-2" WHERE "Time" = '2:31';

Question: Which Method has a Round of 1, and a Time of 0:28?
SQL: SELECT "Method" FROM "2-1521674-2" WHERE "Round" = 1.0 AND "Time" = '0:28';

Question: Which Time has an Event of Call to Arms I?
SQL: SELECT "Time" FROM "2-1521674-2" WHERE "Event" = 'Call to Arms I';