Question: who sings toto i'll be over you
[{'answer': 'Joseph Williams - backing vocals', 'provenance': [{'wikipedia_id': '12238086', 'title': "I'll Be Over You", 'start_paragraph_id': 13, 'start_character': 12, 'end_paragraph_id': 13, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Personnel.\n'}]}, {'answer': 'Steve Lukather - lead and backing vocals'}]