Question: who wrote the music phantom of the opera
[{'answer': 'Andrew Lloyd Webber', 'provenance': [{'wikipedia_id': '308831', 'title': 'The Phantom of the Opera (1986 musical)', 'start_paragraph_id': 1, 'start_character': 52, 'end_paragraph_id': 1, 'end_character': 71, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '308831', 'title': 'The Phantom of the Opera (1986 musical)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 457, 'bleu_score': 0.752376963902123, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9733006200843564622}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '308831', 'title': 'The Phantom of the Opera (1986 musical)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ["The Phantom of the Opera is a musical with music by Andrew Lloyd Webber and lyrics by Charles Hart. Richard Stilgoe and Lloyd Webber wrote the musical's book together.", 'The Phantom of the Opera is a musical with music by Andrew Lloyd Webber and lyrics by Charles Hart', "The Phantom of the Opera is a musical with music by Andrew Lloyd Webber and lyrics by Charles Hart. Richard Stilgoe and Lloyd Webber wrote the musical's book together."]}}]}, {'provenance': [{'wikipedia_id': '25870544', 'title': 'The Premiere Collection: The Best of Andrew Lloyd Webber', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The Premiere Collection: The Best of Andrew Lloyd Webber is a 1988 compilation album, bringing together some of composer Andrew Lloyd Webber\'s best known compositions at the time of release. It includes songs from the musicals "The Phantom of the Opera", "Tell Me on a Sunday", "Evita", "Cats", "Jesus Christ Superstar", "Starlight Express" and "Requiem".', "The Best of Andrew Lloyd Webber is a 1988 compilation album, bringing together some of composer Andrew Lloyd Webber's best known compositions at the time of release."]}}]}]