Write SQL query to solve given problem: Identify the total weight of shipments transported to San Mateo, California, in 2016.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT SUM(T1.weight) FROM shipment AS T1 INNER JOIN city AS T2 ON T1.city_id = T2.city_id WHERE T2.city_name = 'San Mateo' AND STRFTIME('%Y', T1.ship_date) = '2016'