Question: who played helen on life of the party
[{'answer': 'Gillian Jacobs', 'provenance': [{'wikipedia_id': '51251925', 'title': 'Life of the Party (2018 film)', 'start_paragraph_id': 1, 'start_character': 280, 'end_paragraph_id': 1, 'end_character': 294, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]