Question: who is the lead singer of the black eyed peas
[{'answer': 'Will.i.am', 'provenance': [{'wikipedia_id': '210453', 'title': 'The Black Eyed Peas', 'start_paragraph_id': 1, 'start_character': 108, 'end_paragraph_id': 1, 'end_character': 115, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Apl. de. ap'}, {'answer': 'Taboo', 'provenance': [{'wikipedia_id': '210453', 'title': 'The Black Eyed Peas', 'start_paragraph_id': 1, 'start_character': 134, 'end_paragraph_id': 1, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Fergie', 'provenance': [{'wikipedia_id': '210453', 'title': 'The Black Eyed Peas', 'start_paragraph_id': 8, 'start_character': 34, 'end_paragraph_id': 8, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::History.:1988–2000: Atban Klann, "Behind the Front", and "Bridging the Gap".\n'}]}]