What county does Roberto Almeida live in?
select country from customers where first_name = "Roberto" and last_name = "Almeida"
What state does he live in?
select state from customers where first_name = "Roberto" and last_name = "Almeida"
What is his address, please?
select address from customers where first_name = "Roberto" and last_name = "Almeida"
What company does he work for?
select company from customers where first_name = "Roberto" and last_name = "Almeida"
What are the names of the other people who work for that company?
select first_name,last_name from customers where company = "Riotur" and first_name ! = "Roberto" and last_name ! = "Almeida"