Question: who did the cubs play in the first round of the playoffs in 2016
[{'answer': 'San Francisco Giants', 'provenance': [{'wikipedia_id': '50525286', 'title': '2016 National League Division Series', 'start_paragraph_id': 17, 'start_character': 35, 'end_paragraph_id': 17, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Chicago Cubs vs. San Francisco.:Composite line score.\n'}]}]