Question: who sings la la la means i love you
[{'answer': 'American vocal group The Delfonics', 'provenance': [{'wikipedia_id': '11373781', 'title': 'La-La (Means I Love You)', 'start_paragraph_id': 1, 'start_character': 50, 'end_paragraph_id': 1, 'end_character': 84, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11373781', 'title': 'La-La (Means I Love You)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 229, 'bleu_score': 0.8953711787948611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10541000906853026276}, 'section': 'Section::::Abstract.'}]}]