Couldn't execute SQL query:
SELECT members.number, members.lname, members.fname, members.city, members.state, classes.name FROM members, classes WHERE members.year=2018 AND (members.class_id = classes.class_id and classes.year=2018) AND (members.lname REGEXP '^[K-N]' OR members.lname REGEXP '^[k-n]') ORDER BY class_id, lname, fname