Question: how many episodes is alex in season 6
[{'answer': '9 episodes', 'provenance': [{'wikipedia_id': '9320306', 'title': 'Degrassi: The Next Generation (season 6)', 'start_paragraph_id': 19, 'start_character': 43, 'end_paragraph_id': 19, 'end_character': 53, 'bleu_score': 1.0, 'section': 'Section::::Cast.:Main cast.\n'}]}, {'provenance': [{'wikipedia_id': '9320306', 'title': 'Degrassi: The Next Generation (season 6)', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 53, 'bleu_score': 0.725979529115477, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15118877390775748336}, 'section': 'Section::::Cast.:Main cast.\n'}]}]