1050. Actors and Directors Who Cooperated At Least Three Times
```\nSELECT actor_id, director_id FROM ActorDirector\nGROUP BY actor_id, director_id HAVING COUNT(timestamp)>2;\n
```\nSELECT actor_id, director_id FROM ActorDirector\nGROUP BY actor_id, director_id HAVING COUNT(timestamp)>2;\n
['MySQL']