Question: who said the pen is mightier than sword
[{'answer': 'Edward Bulwer - Lytton', 'provenance': [{'wikipedia_id': '7907095', 'title': 'The pen is mightier than the sword', 'start_paragraph_id': 3, 'start_character': 111, 'end_paragraph_id': 3, 'end_character': 134, 'bleu_score': 1.0, 'section': 'Section::::Origin.\n'}]}, {'provenance': [{'wikipedia_id': '7907095', 'title': 'The pen is mightier than the sword', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 308, 'bleu_score': 0.9569637990759251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3810989568421688636}, 'section': 'Section::::Abstract.'}]}]