Question: who sings the song i kissed a girl
[{'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.'}]}, {'provenance': [{'wikipedia_id': '17365626', 'title': 'I Kissed a Girl', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 525, 'bleu_score': 0.8014572443425201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14613914918166578500}, 'section': 'Section::::Abstract.'}]}]