Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:

Convert text to sql: Show id and location of railways that are associated with more than one train. | railway : railway_id , railway , builder , built , wheels , location , objectnumber | train : train_id , train_num , name , from , arrival , railway_id | manager : manager_id , name , country , working_year_starts , age , level | railway_manage : railway_id , manager_id , from_year | train.railway_id = railway.railway_id | railway_manage.railway_id = railway.railway_id | railway_manage.manager_id = manager.manager_id | 

### Response:

select _ _ _ group by _ having count ( _ ) > _ | select train.railway_id , railway.location from railway join train on railway.railway_id = train.railway_id group by train.railway_id having count ( * ) > 1