Question: At what Location was the match against Opponent of Mostapha al-Turk lasting less than 2 Rounds?
SQL: SELECT "Location" FROM "2-15791836-3" WHERE "Round" < 2.0 AND "Opponent" = 'Mostapha al-Turk';

Question: At what Location was the match Method TKO (punches)?
SQL: SELECT "Location" FROM "2-15791836-3" WHERE "Method" = 'TKO (punches)';