SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function COUNT (children 1)
     ExpressionList (children 1)
      Identifier n
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier zstd_1_24
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier words
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier i
        Identifier n
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier b
     Identifier word