How to get the second or third element DYNAMICALLY of a XML document on xquery with SQL server

How to get the second or third element DYNAMICALLY of a XML document on XQuery with SQL Server

declare @X xml=
'<translations>
  <value lang="en-US">example</value>
  <value lang="1">Beispiel</value>
</translations>';

declare @Temp int
set @Temp=1
select @X.value('(/translations/value[@lang="'''+@Temp+'''"])[1]','varchar(max)');

select @X.value('(/translations/value[@lang="'''+cast( @Temp as varchar)+'''"])[1]','varchar(max)');