SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function parseDateTimeBestEffort (children 1)
     ExpressionList (children 1)
      Function toLowCardinality (children 1)
       ExpressionList (children 1)
        Function materialize (children 1)
         ExpressionList (children 1)
          Literal \'15-JUL-16\'
