Question: when did crystal palace join the premier league
[{'answer': '1905', 'provenance': [{'wikipedia_id': '39714794', 'title': 'List of Crystal Palace F.C. seasons', 'start_paragraph_id': 1, 'start_character': 85, 'end_paragraph_id': 1, 'end_character': 89, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39714794', 'title': 'List of Crystal Palace F.C. seasons', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 391, 'bleu_score': 0.8673460629331771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3360366151780498933}, 'section': 'Section::::Abstract.'}]}]