Please list the names of all the store contact employees whose credit cards expired in 2007.
year of credit card expiration refers to ExpYear; ExpYear = 2007; store contact refers to PersonType = 'SC';
SELECT T1.FirstName, T1.LastName FROM Person AS T1 INNER JOIN PersonCreditCard AS T2 ON T1.BusinessEntityID = T2.BusinessEntityID INNER JOIN CreditCard AS T3 ON T2.CreditCardID = T3.CreditCardID WHERE T3.ExpYear = 2007 AND T1.PersonType = 'SC'