CREATE TABLE table_name_22 (away VARCHAR(255), season VARCHAR(255), record VARCHAR(255), win__percentage VARCHAR(255))
What is the away score with a record of 7-4, win% of 0.637, and 2010 season?
    
SQL: SELECT away FROM table_name_22 WHERE record = "7-4" AND win__percentage = 0.637 AND season = "2010"