ตั้งชื่อพื้นผิวเมื่อพันธมิตรคือ carlos berlocqไม่จำเป็นต้องใช้ตารางทั้งหมด
Name the surface when the partner is carlos berlocqIt is not neccessary to use all the tables.
 table_51313:  "Outcome" [ text]  "Date" [ text]  "Tournament" [ text]  "Surface" [ text]  "Partner" [ text]  "Opponents" [ text]  "Score" [ text] 
SELECT "Surface" FROM table_51313 WHERE "Partner" = 'carlos berlocq'