Write SQL query to solve given problem: How many orders did Marcelia Goering place in 2021 that uses the Priority Shipping method?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(*) FROM customer AS T1 INNER JOIN cust_order AS T2 ON T1.customer_id = T2.customer_id INNER JOIN shipping_method AS T3 ON T3.method_id = T2.shipping_method_id WHERE T1.first_name = 'Marcelia' AND T1.last_name = 'Goering' AND STRFTIME('%Y', T2.order_date) = '2021' AND T3.method_name = 'Priority'