Question: what episode does jim find out pam is pregnant
[{'answer': 'Company Picnic', 'provenance': [{'wikipedia_id': '3721290', 'title': 'Pam Beesly', 'start_paragraph_id': 22, 'start_character': 1167, 'end_paragraph_id': 22, 'end_character': 1181, 'bleu_score': 1.0, 'section': 'Section::::Character history.:Seasons 4–6.\n'}]}, {'provenance': [{'wikipedia_id': '3721290', 'title': 'Pam Beesly', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 1616, 'bleu_score': 0.9930190905232901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16037803825116352575}, 'section': 'Section::::Character history.:Seasons 4–6.\n'}]}]