Write SQL query to solve given problem: What was the price of 1 Bitcoin in 2016?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT AVG(T2.price) FROM coins AS T1 INNER JOIN historical AS T2 ON T1.id = T2.coin_id WHERE T1.name = 'Bitcoin' AND STRFTIME('%Y', T2.date) = '2016'