Question: who plays supergirl in the new tv series
[{'answer': 'Melissa Benoist', 'provenance': [{'wikipedia_id': '45167756', 'title': 'Supergirl (TV series)', 'start_paragraph_id': 1, 'start_character': 343, 'end_paragraph_id': 1, 'end_character': 358, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '45167756', 'title': 'Supergirl (TV series)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 481, 'bleu_score': 0.9313525659032991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15065331019133476626}, 'section': 'Section::::Abstract.'}]}]