Question: who had the best record in the major league baseball this year
[{'answer': 'The Houston Astros', 'provenance': [{'wikipedia_id': '23489161', 'title': 'World Series', 'start_paragraph_id': 86, 'start_character': 0, 'end_paragraph_id': 86, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Modern World Series (1903–present).:2010s.\n'}]}, {'provenance': [{'wikipedia_id': '23489161', 'title': 'World Series', 'start_paragraph_id': 86, 'start_character': 0, 'end_paragraph_id': 86, 'end_character': 170, 'bleu_score': 0.739959096539031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12826679042401723990}, 'section': 'Section::::Modern World Series (1903–present).:2010s.\n'}]}]