SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Identifier number
    Function neighbor (children 1)
     ExpressionList (children 3)
      Function toString (children 1)
       ExpressionList (children 1)
        Identifier number
      Literal UInt64_5
      Literal \'Hello\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_10