Question: what is the first episode of wild kratts
[{'answer': 'Mom of a Croc', 'provenance': [{'wikipedia_id': '31162861', 'title': 'List of Wild Kratts episodes', 'start_paragraph_id': 9, 'start_character': 454, 'end_paragraph_id': 9, 'end_character': 467, 'bleu_score': 1.0, 'section': 'Section::::Season 6: 2019-.\n'}]}]