Question: when does pete find out about peggy baby
[{'answer': 'During the Season 1 finale', 'provenance': [{'wikipedia_id': '21184801', 'title': 'Pete Campbell', 'start_paragraph_id': 21, 'start_character': 826, 'end_paragraph_id': 21, 'end_character': 852, 'bleu_score': 1.0, 'section': 'Section::::Biography.:Marriage and relationships.\n'}]}, {'provenance': [{'wikipedia_id': '21184801', 'title': 'Pete Campbell', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 1016, 'bleu_score': 0.946162162040989, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15281422290423117078}, 'section': 'Section::::Biography.:Marriage and relationships.\n'}]}]