Question: what was the original name of the pittsburgh pirates
[{'answer': 'Allegheny', 'provenance': [{'wikipedia_id': '11071632', 'title': 'History of the Pittsburgh Pirates', 'start_paragraph_id': 4, 'start_character': 88, 'end_paragraph_id': 4, 'end_character': 97, 'bleu_score': 1.0, 'section': 'Section::::Franchise history.:19th century.\n'}]}]