Question: The TKO (doctor stoppage) method was used in a Loss against which opponent?
SQL: SELECT "Opponent" FROM "2-1724395-2" WHERE "Method" = 'TKO (doctor stoppage)' AND "Res." = 'Loss';

Question: How many total rounds used the Submission (choke) method?
SQL: SELECT SUM("Round") FROM "2-1724395-2" WHERE "Method" = 'Submission (choke)';

Question: What was the time of the match with a record of 9-0 and used the TKO (doctor stoppage) method?
SQL: SELECT "Time" FROM "2-1724395-2" WHERE "Method" = 'TKO (doctor stoppage)' AND "Record" = '9-0';

Question: What was the lowest round number at the UFC 16 event with a record of 19-1-1?
SQL: SELECT MIN("Round") FROM "2-1724395-2" WHERE "Event" = 'UFC 16' AND "Record" = '19-1-1';