ใครคือกัปตันทีมเยือนที่ Waca Ground?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Who was the away captain at Waca Ground?It is not neccessary to use all the tables.
 table_70555:  "Date" [ text]  "Venue" [ text]  "Result" [ text] 
SELECT "Away captain" FROM table_70555 WHERE "Venue" = 'waca ground'