Question: who is the movie a star is born written about
[{'answer': 'Kurt Cobain', 'provenance': [{'wikipedia_id': '46321167', 'title': 'A Star Is Born (2018 film)', 'start_paragraph_id': 26, 'start_character': 81, 'end_paragraph_id': 26, 'end_character': 92, 'bleu_score': 1.0, 'section': 'Section::::Production.:Writing.\n'}]}, {'provenance': [{'wikipedia_id': '46321167', 'title': 'A Star Is Born (2018 film)', 'start_paragraph_id': 23, 'start_character': 0, 'end_paragraph_id': 23, 'end_character': 518, 'bleu_score': 0.542621692700826, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8175720879817817278}, 'section': 'Section::::Production.:Preproduction.\n'}]}]