Among the shipments delivered by Maria Craft, how many shipments were delivered in 2017?
delivered in 2017 refers to Cast(ship_date AS DATE) = 2017
SELECT COUNT(*) FROM shipment AS T1 INNER JOIN driver AS T2 ON T1.driver_id = T2.driver_id WHERE T2.first_name = 'Maria' AND T2.last_name = 'Craft' AND STRFTIME('%Y', T1.ship_date) = '2017'