Roberto Almeida อาศัยอยู่ประเทศใด?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What country does Roberto Almeida live?It is not neccessary to use all the tables.
 customers:  (country [ VARCHAR ] first_name [ VARCHAR ] last_name [ VARCHAR) ]
SELECT country FROM customers WHERE first_name = "Roberto" AND last_name = "Almeida"