Question: when did jj get pregnant in criminal minds
[{'answer': 'February 2011', 'provenance': [{'wikipedia_id': '7825461', 'title': 'Jennifer Jareau', 'start_paragraph_id': 10, 'start_character': 341, 'end_paragraph_id': 10, 'end_character': 354, 'bleu_score': 1.0, 'section': 'Section::::Storylines.:Promotion to Pentagon and brief return.\n'}]}, {'provenance': [{'wikipedia_id': '7825461', 'title': 'Jennifer Jareau', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 882, 'bleu_score': 0.9878413801697931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15470786417891088310}, 'section': 'Section::::Storylines.:Promotion to Pentagon and brief return.\n'}]}]