Question: when did the modern period start and end
[{'answer': 'the early 16th century', 'provenance': [{'wikipedia_id': '885795', 'title': 'Modern history', 'start_paragraph_id': 2, 'start_character': 59, 'end_paragraph_id': 2, 'end_character': 81, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'approximately 1945', 'provenance': [{'wikipedia_id': '885795', 'title': 'Modern history', 'start_paragraph_id': 4, 'start_character': 69, 'end_paragraph_id': 4, 'end_character': 87, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]