Write SQL query to solve given problem: Which coach was the first one to teach the Montreal Canadiens, please give his first name.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T3.firstName FROM Coaches AS T1 INNER JOIN Teams AS T2 ON T1.tmID = T2.tmID AND T1.year = T2.year INNER JOIN Master AS T3 ON T1.coachID = T3.coachID WHERE T2.name = 'Montreal Canadiens' ORDER BY T1.year LIMIT 1