title: "Error: Unexpected. Please try again" in BigQuery
body: <p>I'm getting an "Error: Unexpected. Please try again" message in BigQuery when I try to run a query. It's happening repeatedly.</p>
  
  <p>I have two nested subqueries and the middle query uses several count(distinct x, ), so I wonder if that's the problem. If I remove the outer query (but still have all the count distincts, it does work fine though.</p>