CREATE TABLE table_name_51 (opponent VARCHAR(255), score VARCHAR(255), tournament VARCHAR(255), surface VARCHAR(255), outcome VARCHAR(255))
Which opponent has a Surface of clay, an Outcome of winner, a Tournament of bogotá, and a Score of 6–0, 6–4?
    
SQL: SELECT opponent FROM table_name_51 WHERE surface = "clay" AND outcome = "winner" AND tournament = "bogotá" AND score = "6–0, 6–4"