title: Big Query takes too long for simple query
body: <p>Simple count query takes amazingly long time to accomplish.
  Am I doing something wrong?</p>
  
  <pre class="lang-sql prettyprint-override"><code>SELECT COUNT(*) FROM `TABLE`
  </code></pre>
  
  <p>(if someone from bigquery hears this: 
  jobid: southamerica-east1.bquxjob_6a6df24d_16dfdbe0b54)</p>