Question: who has played jenna in waitress on broadway
[{'answer': 'Jessie Mueller', 'provenance': [{'wikipedia_id': '49079409', 'title': 'Waitress (musical)', 'start_paragraph_id': 2, 'start_character': 274, 'end_paragraph_id': 2, 'end_character': 288, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]