CREATE TABLE table_name_7 (opponent VARCHAR(255), date VARCHAR(255), method VARCHAR(255), location VARCHAR(255))
Which Opponent has a Method of tko, and a Location of elgin, illinois, usa on 2001-02-11?
    
SQL: SELECT opponent FROM table_name_7 WHERE method = "tko" AND location = "elgin, illinois, usa" AND date = "2001-02-11"