Question: when does silver find out adrianna switched her pills
[{'answer': "during Ivy 's bachelorette party", 'provenance': [{'wikipedia_id': '32406759', 'title': 'Silver (90210)', 'start_paragraph_id': 8, 'start_character': 4344, 'end_paragraph_id': 8, 'end_character': 4380, 'bleu_score': 1.0, 'section': 'Section::::Storylines.:Season 3.\n'}]}, {'provenance': [{'wikipedia_id': '32406759', 'title': 'Silver (90210)', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 4491, 'bleu_score': 0.994361464841879, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12558686022160612450}, 'section': 'Section::::Storylines.:Season 3.\n'}]}]