Question: who sings i kissed a girl and i liked it
[{'answer': 'Katy Perry', 'provenance': [{'wikipedia_id': '17365626', 'title': 'I Kissed a Girl', 'start_paragraph_id': 1, 'start_character': 56, 'end_paragraph_id': 1, 'end_character': 66, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]