title: Sequelize How compare year of a date in query
body: <p>I'm trying to make this query:</p>
  
  <pre><code>SELECT * FROM TABLEA AS A WHERE YEAR(A.dateField)='2016'
  </code></pre>
  
  <p>How can I perfome this query above in sequelize style?</p>
  
  <pre><code>TABLEA.findAll({
        where:{}//????
       }
  </code></pre>
  
  <p>Thanks!</p>