Database: cre_Drama_Workshop_Groups
Question: Find the names of the workshop groups where services with product name "film" are performed.
SQL:
SELECT T1.Store_Phone ,  T1.Store_Email_Address FROM Drama_Workshop_Groups AS T1 JOIN Services AS T2 ON T1.Workshop_Group_ID  =  T2.Workshop_Group_ID WHERE T2.Product_Name  =  "film"