SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function lessOrEquals (children 1)
     ExpressionList (children 2)
      Function toDate32 (children 1)
       ExpressionList (children 1)
        Literal \'1925-02-01\'
      Function toDateTime (children 1)
       ExpressionList (children 1)
        Literal \'1990-02-01\'