Question: who wrote the song have i told you lately
[{'answer': 'Van Morrison', 'provenance': [{'wikipedia_id': '9041248', 'title': 'Have I Told You Lately', 'start_paragraph_id': 1, 'start_character': 96, 'end_paragraph_id': 1, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9041248', 'title': 'Have I Told You Lately', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 269, 'bleu_score': 0.821855263409196, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1335527928364910629}, 'section': 'Section::::Abstract.'}]}]