Question: how many original chicago band members are there
[{'answer': 'six', 'provenance': [{'wikipedia_id': '168876', 'title': 'Chicago (band)', 'start_paragraph_id': 5, 'start_character': 576, 'end_paragraph_id': 5, 'end_character': 579, 'bleu_score': 1.0, 'section': 'Section::::Group history.:The Big Thing.\n'}]}, {'provenance': [{'wikipedia_id': '168876', 'title': 'Chicago (band)', 'start_paragraph_id': 5, 'start_character': 82, 'end_paragraph_id': 5, 'end_character': 899, 'bleu_score': 0.562809222902345, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4214249254604321366}, 'section': 'Section::::Group history.:The Big Thing.\n'}]}]