title: MySQL SELECT returns empty set when there is data
body: <pre><code>mysql&gt; SELECT title FROM pages WHERE id=111;
  +------------+
  | title      |
  +------------+
  | 'Theology' |
  +------------+
  1 row in set (0.00 sec)
  
  mysql&gt; SELECT id FROM pages WHERE title='Theology';
  Empty set (0.00 sec)
  </code></pre>
  
  <p>The results conflicted. I can't understand that.</p>