Show the customer id and number of accounts with most accounts.
CREATE TABLE Accounts (customer_id VARCHAR)
SELECT customer_id, COUNT(*) FROM Accounts GROUP BY customer_id ORDER BY COUNT(*) DESC LIMIT 1
### Context: CREATE TABLE Accounts (customer_id VARCHAR) ### Question: Show the customer id and number of accounts with most accounts. ### Answer: SELECT customer_id, COUNT(*) FROM Accounts GROUP BY customer_id ORDER BY COUNT(*) DESC LIMIT 1