CREATE TABLE table_name_38 (crowd INTEGER, away_team VARCHAR)
SELECT AVG(crowd) FROM table_name_38 WHERE away_team = "collingwood"
ฝูงชนโดยเฉลี่ยเมื่อทีม Collingwood ไม่อยู่คือเท่าใด?
What is the average crowd when the team Collingwood was away?