Write SQL query to solve given problem: What is the runtime of the movie starred by Jackie Chan with a rating greater than 7?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.Runtime FROM movie AS T1 INNER JOIN characters AS T2 ON T1.MovieID = T2.MovieID INNER JOIN actor AS T3 ON T3.ActorID = T2.ActorID WHERE T3.Name = 'Jackie Chan' AND T1.Rating > 7