State the address of drivers who transported the shipment with weight greater than 50000 pounds.
shipment with weight greater than 50000 pounds refers to Sum(weight) > 50000
SELECT T2.address FROM shipment AS T1 INNER JOIN driver AS T2 ON T1.driver_id = T2.driver_id GROUP BY T2.driver_id HAVING SUM(T1.weight) > 50000