Write SQL query to solve given problem: Among all the players that are right-shooted, how many of them weigh over 90 kg?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T1.ELITEID) FROM PlayerInfo AS T1 INNER JOIN weight_info AS T2 ON T1.weight = T2.weight_id WHERE T2.weight_in_kg > 90 AND T1.shoots = 'R'