Show first name and id for all customers with at least 2 accounts.
SELECT T2.customer_first_name ,  T1.customer_id FROM Accounts AS T1 JOIN Customers AS T2 ON T1.customer_id  =  T2.customer_id GROUP BY T1.customer_id HAVING count(*)  >=  2
SELECT T2.customer_first_name ,  T1.customer_id FROM Accounts AS T1 JOIN Customers AS T2 ON T1.customer_id  =  T2.customer_id GROUP BY T1.customer_id HAVING count(*)  >=  2
[{'customer_first_name': 'Meaghan', 'customer_id': 8}, {'customer_first_name': 'Kieran', 'customer_id': 13}, {'customer_first_name': 'Ruby', 'customer_id': 15}]