Faster than 72.91% | MySQL Solution | Easy to Understand
```\nSELECT actor_id, director_id\nFROM ActorDirector\nGROUP BY actor_id, director_id\nHAVING COUNT(*)>=3;
```\nSELECT actor_id, director_id\nFROM ActorDirector\nGROUP BY actor_id, director_id\nHAVING COUNT(*)>=3;
['MySQL']