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 first and last names of people who payed more than the rooms' base prices? | rooms : roomid , roomname , beds , bedtype , maxoccupancy , baseprice , decor | reservations : code , room , checkin , checkout , rate , lastname , firstname , adults , kids | reservations.room = rooms.roomid | 

### Response:

select _ from _ where _ - _ | select reservations.firstname , reservations.lastname from reservations join rooms on reservations.room = rooms.roomid where reservations.rate - rooms.baseprice > 0