Write SQL query to solve given problem: Please list the first names of the coaches whose team played in 1922's Stanley Cup finals.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T3.firstName FROM Coaches AS T1 INNER JOIN TeamsSC AS T2 ON T1.year = T2.year AND T1.tmID = T2.tmID INNER JOIN Master AS T3 ON T1.coachID = T3.coachID WHERE T2.year = 1922