พรมใดมีดินเหนียว 1–0 และแข็ง 1–1?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Which carpet has a Clay of 1–0 and a Hard 1–1?It is not neccessary to use all the tables.
 table_name_1:  (carpet [ VARCHAR ] clay [ VARCHAR ] hard [ VARCHAR) ]
SELECT carpet FROM table_name_1 WHERE clay = "1–0" AND hard = "1–1"