Write SQL query to solve given problem: State the number of athletes in the 1984 Summer Olympic Games who were more than 50 years old.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T2.person_id) FROM games AS T1 INNER JOIN games_competitor AS T2 ON T1.id = T2.games_id WHERE T1.games_name = '1984 Summer' AND T2.age > 50