Question: who was the first president of the nbew
[{'answer': 'Henry Miller', 'provenance': [{'wikipedia_id': '1268745', 'title': 'International Brotherhood of Electrical Workers', 'start_paragraph_id': 10, 'start_character': 12, 'end_paragraph_id': 10, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::List of International Presidents.\n'}]}]