title: Get value, which more times repeated in column
body: <p>Given table <code>menu</code>, in him is column  <code>continent</code>, for example in him is this datas</p>
  
  <pre><code>continent
  ----------
  africa
  africa
  europe
  europe
  europe
  </code></pre>
  
  <p>I want get continent name, which is more times in column, that is result must be <code>europe</code>.</p>
  
  <p>I write query, but I think my query is difficult and must be exist more ease solution for cases like this. are some ideas?</p>
  
  <p>this my query</p>
  
  <pre><code>    SELECT continent FROM (
          SELECT continent, COUNT(continent) AS cnt FROM menu GROUP BY continent
      ) AS t
      WHERE cnt = (
          SELECT MAX(cnt) FROM ( 
              SELECT  COUNT(continent) AS cnt FROM menu GROUP BY continent
          ) AS t2
      )
  </code></pre>