Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_5166 ( "Res." text, "Record" text, "Opponent" text, "Method" text, "Event" text, "Round" real, "Location" text )

### Question ###
Which opponent's event was sb 24 - return of the heavyweights 2, and had a method of TKO (knee and punches)?

### Accurate SQL ###

SELECT "Opponent" FROM table_5166 WHERE "Event" = 'sb 24 - return of the heavyweights 2' AND "Method" = 'tko (knee and punches)'