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: What are the names of countains that no climber has climbed? | mountain : mountain_id , name , height , prominence , range , country | climber : climber_id , name , country , time , points , mountain_id | climber.mountain_id = mountain.mountain_id | 

### Response:

select _ from _ where _ not in ( select _ from _ ) | select name from mountain where mountain_id not in ( select mountain_id from climber )