CREATE TABLE customers (first_name VARCHAR(255), last_name VARCHAR(255), gender_mf VARCHAR(255), good_or_bad_customer VARCHAR(255))
What are the first name, last name, and gender of all the good customers? Order by their last name.
    
SQL: SELECT first_name, last_name, gender_mf FROM customers WHERE good_or_bad_customer = 'good' ORDER BY last_name