Question: what is the method when the result is Loss on January 19, 2008?
SQL: SELECT "Method" FROM "2-1721369-4" WHERE "Result" = 'Loss' AND "Date" = 'January 19, 2008';

Question: when is the opponent Lyoto Machida?
SQL: SELECT "Date" FROM "2-1721369-4" WHERE "Opponent" = 'Lyoto Machida';

Question: who is the opponent when the method is TKO (Punches) at 4:26 of round 1?
SQL: SELECT "Opponent" FROM "2-1721369-4" WHERE "Method" = 'TKO (Punches) at 4:26 of round 1';

Question: who is the tuf competitor when the method id Decision (Unanimous)?
SQL: SELECT "TUF Competitor" FROM "2-1721369-4" WHERE "Method" = 'Decision (Unanimous)';

Question: who is the opponent when the method is Submission (Rear Naked Choke) at 4:02 of round 2?
SQL: SELECT "Opponent" FROM "2-1721369-4" WHERE "Method" = 'Submission (Rear Naked Choke) at 4:02 of round 2';