title: Select random row from a sqlite table
body: <p>I have a <code>sqlite</code> table with the following schema:</p>
  
  <pre><code>CREATE TABLE foo (bar VARCHAR)
  </code></pre>
  
  <p>I'm using this table as storage for a list of strings.</p>
  
  <p>How do I select a random row from this table?</p>