โทรศัพท์และอีเมลของกลุ่มเวิร์กช็อปที่ให้บริการคืออะไร?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What are the phones and emails of workshop groups in which services are performed?It is not neccessary to use all the tables.
 drama_workshop_groups:  workshop_group_id [ number]  address_id [ number]  currency_code [ text]  marketing_region_code [ text]  store_name [ text]  store_phone [ text]  store_email_address [ text]  other_details [ text] 
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