Question: how many years is equal to 1 century
[{'answer': '100', 'provenance': [{'wikipedia_id': '5881', 'title': 'Century', 'start_paragraph_id': 1, 'start_character': 25, 'end_paragraph_id': 1, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]