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 the church names for the weddings of all people older than 30. | people : people_id , name , country , is_male , age | church : church_id , name , organized_by , open_date , continuation_of | wedding : church_id , male_id , female_id , year | wedding.female_id = people.people_id | wedding.male_id = people.people_id | wedding.church_id = church.church_id | 

### Response:

select _ from _ where _ | select church.name from wedding join people on wedding.male_id = people.people_id join people on wedding.female_id = people.people_id join church on church.church_id = wedding.church_id where people.age > 30 or people.age > 30