Question: what is the song brown eyed girl about
[{'answer': 'a former love', 'provenance': [{'wikipedia_id': '1124281', 'title': 'Brown Eyed Girl', 'start_paragraph_id': 6, 'start_character': 34, 'end_paragraph_id': 6, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Composition.\n'}]}, {'provenance': [{'wikipedia_id': '1124281', 'title': 'Brown Eyed Girl', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 776, 'bleu_score': 0.965664648905967, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2477384132910451582}, 'section': 'Section::::Composition.\n'}]}]