Question: when was irish tune from county derry written
[{'answer': '1855', 'provenance': [{'wikipedia_id': '248061', 'title': 'Londonderry Air', 'start_paragraph_id': 4, 'start_character': 170, 'end_paragraph_id': 4, 'end_character': 174, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '248061', 'title': 'Londonderry Air', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 337, 'bleu_score': 0.9657992495762461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5466919803195222139}, 'section': 'Section::::History.\n'}]}]