Question: who sings the kath and kim theme song
[{'answer': 'Gina Riley', 'provenance': [{'wikipedia_id': '376185', 'title': 'Kath & Kim', 'start_paragraph_id': 1, 'start_character': 112, 'end_paragraph_id': 1, 'end_character': 122, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]