Question: what season of american idol was adam lambert
[{'answer': 'eighth', 'provenance': [{'wikipedia_id': '11954383', 'title': 'American Idol (season 8)', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11954383', 'title': 'American Idol (season 8)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 697, 'bleu_score': 0.8469494096056871, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7515278123837026663}, 'section': 'Section::::Abstract.'}]}]