Question: who is douglas park in chicago named after
[{'answer': 'Stephen A. Douglas', 'provenance': [{'wikipedia_id': '10818092', 'title': 'Douglas Park (Chicago)', 'start_paragraph_id': 1, 'start_character': 172, 'end_paragraph_id': 1, 'end_character': 190, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10818092', 'title': 'Douglas Park (Chicago)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 318, 'bleu_score': 0.873294914575339, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3608687704979606561}, 'section': 'Section::::Abstract.'}]}]