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: Find the names of either colleges in LA with greater than 15000 size or in state AZ with less than 13000 enrollment. | college : cname , state , enr | player : pid , pname , ycard , hs | tryout : pid , cname , ppos , decision | tryout.cname = college.cname | tryout.pid = player.pid | 

### Response:

select _ from _ where _ union select _ from _ where _ | select cname from college where enr < 13000 and state = 'AZ' union select cname from college where enr > 15000 and state = 'LA'