Question: who is starring in a star is born
[{'answer': 'Bradley Cooper', 'provenance': [{'wikipedia_id': '46321167', 'title': 'A Star Is Born (2018 film)', 'start_paragraph_id': 1, 'start_character': 87, 'end_paragraph_id': 1, 'end_character': 101, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Lady Gaga', 'provenance': [{'wikipedia_id': '46321167', 'title': 'A Star Is Born (2018 film)', 'start_paragraph_id': 1, 'start_character': 222, 'end_paragraph_id': 1, 'end_character': 231, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Andrew Dice Clay', 'provenance': [{'wikipedia_id': '46321167', 'title': 'A Star Is Born (2018 film)', 'start_paragraph_id': 1, 'start_character': 249, 'end_paragraph_id': 1, 'end_character': 265, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Dave Chappelle', 'provenance': [{'wikipedia_id': '46321167', 'title': 'A Star Is Born (2018 film)', 'start_paragraph_id': 1, 'start_character': 233, 'end_paragraph_id': 1, 'end_character': 247, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Sam Elliott', 'provenance': [{'wikipedia_id': '46321167', 'title': 'A Star Is Born (2018 film)', 'start_paragraph_id': 1, 'start_character': 271, 'end_paragraph_id': 1, 'end_character': 282, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]