Question: how many games are the cubs ahead of the cardinals
[{'answer': '1', 'provenance': [{'wikipedia_id': '2248653', 'title': 'Cardinals–Cubs rivalry', 'start_paragraph_id': 1, 'start_character': 314, 'end_paragraph_id': 1, 'end_character': 315, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]