What is the zip code of the address where the teacher with first name "Lyla" lives?
create table teachers (address_id varchar, first_name varchar, PRIMARY KEY (address_id)); create table addresses (zip_postcode varchar, address_id varchar, PRIMARY KEY (zip_postcode))
select t1.zip_postcode from addresses as t1 join teachers as t2 on t1.address_id = t2.address_id where t2.first_name = "lyla"