Question: who wrote the guitar riff to beat it
[{'answer': 'Eddie Van Halen', 'provenance': [{'wikipedia_id': '17080248', 'title': 'Beat It', 'start_paragraph_id': 1, 'start_character': 482, 'end_paragraph_id': 1, 'end_character': 497, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '17080248', 'title': 'Beat It', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 946, 'bleu_score': 0.8436652961387661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14562258689951131546}, 'section': "Section::::Production and composition.:Eddie Van Halen's guitar solo.\n"}]}]