CREATE TABLE Customer_Events (customer_id VARCHAR)
CREATE TABLE Customers (customer_id VARCHAR, customer_details VARCHAR)

What are the id and details of the customers who have at least 3 events?
SELECT T1.customer_id, T1.customer_details FROM Customers AS T1 JOIN Customer_Events AS T2 ON T1.customer_id = T2.customer_id GROUP BY T1.customer_id HAVING COUNT(*) >= 3
SELECT "T1"."customer_id", "T1"."customer_details" FROM "Customers" AS "T1" JOIN "Customer_Events" AS "T2" ON "T1"."customer_id" = "T2"."customer_id" GROUP BY "T1"."customer_id" HAVING COUNT(*) >= 3