ทัวร์นาเมนต์ใดที่เล่นบนดินเหนียวและมีคะแนน 4–6 6–1 6–4?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Which tournament was played on clay and there was a score of 4–6 6–1 6–4?It is not neccessary to use all the tables.
 table_name_52:  (tournament [ VARCHAR ] surface [ VARCHAR ] score [ VARCHAR) ]
SELECT tournament FROM table_name_52 WHERE surface = "clay" AND score = "4–6, 6–1, 6–4"