SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Identifier number
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier mem2 (alias tbl)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias alias4) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 1)
           Identifier number
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Literal UInt64_1
          Function greaterOrEquals (children 1)
           ExpressionList (children 2)
            Identifier tbl.number
            Identifier number
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier alias4.number
        Identifier number
