SELECT date_became_customer FROM Customers WHERE first_name = "Carole" AND last_name = "Bernhard";
When did customer with first name as Carole and last name as Bernhard became a customer?
SELECT date_became_customer FROM Customers WHERE first_name = `` Carole '' AND last_name = `` Bernhard '' ;
select date_became_customer from customers where first_name = value and last_name = value
When did customer with first name as Carole and last name as Bernhard became a customer ?