CREATE TABLE table_name_18 (assists INTEGER, goals VARCHAR(255), club VARCHAR(255), points VARCHAR(255))
What is the average Assists, when Club is Iserlohn Roosters,when Points is 71, and when Goals is greater than 44?
    
SQL: SELECT AVG(assists) FROM table_name_18 WHERE club = "iserlohn roosters" AND points = 71 AND goals > 44