Question: how many books can i upload to google books
[{'answer': 'up to 1,000', 'provenance': [{'wikipedia_id': '42960975', 'title': 'Google Play Books', 'start_paragraph_id': 1, 'start_character': 585, 'end_paragraph_id': 1, 'end_character': 596, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42960975', 'title': 'Google Play Books', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 683, 'bleu_score': 0.9612260133949071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10063842694330985877}, 'section': 'Section::::Abstract.'}]}]