Question: What are the first name, last name, and gender of all the good customers? Order by their last name.
Schema: create table customers (first_name varchar, last_name varchar, gender_mf varchar, good_or_bad_customer varchar, PRIMARY KEY (first_name))
SQL: select first_name, last_name, gender_mf from customers where good_or_bad_customer = 'good' order by last_name