A Database Error Occurred

Error Number: 1064

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 's_Quest_Series/King's_Quest_VI_-_Heir_Today,_Gone_Tomorrow'' at line 1

select catid from structure where topic = 'Top/Games/Video_Games/Adventure/Graphical_Adventures/King's_Quest_Series/King's_Quest_VI_-_Heir_Today,_Gone_Tomorrow'