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: How many teachers does the student named CHRISSY NABOZNY have? | list : lastname , firstname , grade , classroom | teachers : lastname , firstname , classroom | 

### Response:

select count ( _ ) from _ where _ | select count ( * ) from list join teachers on list.classroom = teachers.classroom where list.firstname = 'CHRISSY' and list.lastname = 'NABOZNY'