มีลูกค้ากี่คนที่อาศัยอยู่ในเมือง "Lake Geovannyton"?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many customers are living in city "Lake Geovannyton"?It is not neccessary to use all the tables.
 customers:  (customer_id [ VARCHAR) ]
SELECT COUNT(*) FROM customers AS t1 JOIN customer_addresses AS t2 ON t1.customer_id = t2.customer_id JOIN addresses AS t3 ON t2.address_id = t3.address_id WHERE t3.city = "Lake Geovannyton"