Question: how many players on the mlb playoff roster
[{'answer': '25 active players', 'provenance': [{'wikipedia_id': '2346654', 'title': 'Major League Baseball rosters', 'start_paragraph_id': 23, 'start_character': 530, 'end_paragraph_id': 23, 'end_character': 547, 'bleu_score': 1.0, 'section': 'Section::::Postseason roster.\n'}]}, {'provenance': [{'wikipedia_id': '2346654', 'title': 'Major League Baseball rosters', 'start_paragraph_id': 23, 'start_character': 0, 'end_paragraph_id': 23, 'end_character': 1423, 'bleu_score': 0.8466166522771411, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11229367218221363637}, 'section': 'Section::::Postseason roster.\n'}]}]