SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test.hits
   Function equals (children 1)
    ExpressionList (children 2)
     Function toInt64 (children 1)
      ExpressionList (children 1)
       Identifier EventDate
     Function toInt64 (children 1)
      ExpressionList (children 1)
       Function toDate (children 1)
        ExpressionList (children 1)
         Literal \'2014-03-20\'
