<pre>Array
(
    [0] => Array
        (
            [errno] => 1064
            [sqlstate] => 42000
            [error] => You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '('data-source')+''' at line 3
        )

)
</pre>SELECT * FROM contents
              WHERE club_id = 3
              AND slug = 'js/'+item.el.attr('data-source')+''