CREATE TABLE table_name_88 (points INTEGER, games VARCHAR(255), goalsagainst VARCHAR(255), season VARCHAR(255))
Goalsagainst of 285, and a Season of 2006–07, and a Games smaller than 70 has what average points?
    
SQL: SELECT AVG(points) FROM table_name_88 WHERE goalsagainst = 285 AND season = "2006–07" AND games < 70