Question: who plays the joker in the movie suicide squad
[{'answer': 'Jared Leto', 'provenance': [{'wikipedia_id': '43884887', 'title': 'Suicide Squad (film)', 'start_paragraph_id': 1, 'start_character': 472, 'end_paragraph_id': 1, 'end_character': 482, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]