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 'Reilly_and_Associates/Technical_Books/Oracle'' at line 1

select catid from structure where topic = 'Top/Business/Publishing_and_Printing/Publishing/Books/Business/O'Reilly_and_Associates/Technical_Books/Oracle'