สนามคริกเก็ตซิดนีย์จัดในปีใด และคู่ต่อสู้คือ Parramatta Eels?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What year was the venue at Sydney Cricket Ground, and the opponent was Parramatta Eels?It is not neccessary to use all the tables.
 table_71745:  "Year" [ real]  "Opponent" [ text]  "Competition" [ text]  "Score" [ text]  "Venue" [ text]  "Attendance" [ text] 
SELECT COUNT("Year") FROM table_71745 WHERE "Venue" = 'sydney cricket ground' AND "Opponent" = 'parramatta eels'