Question: when were the texas rangers baseball team established
[{'answer': 'Washington , D.C.', 'provenance': [{'wikipedia_id': '30857', 'title': 'Texas Rangers (baseball)', 'start_paragraph_id': 2, 'start_character': 95, 'end_paragraph_id': 2, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '30857', 'title': 'Texas Rangers (baseball)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 416, 'bleu_score': 0.895039260309043, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4220849846387365208}, 'section': 'Section::::Abstract.'}]}]