Question: which mountains extend through the center of greece
[{'answer': 'Pindus mountain range', 'provenance': [{'wikipedia_id': '22734452', 'title': 'Geography of Greece', 'start_paragraph_id': 9, 'start_character': 34, 'end_paragraph_id': 9, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Physical geography.\n'}]}, {'provenance': [{'wikipedia_id': '22734452', 'title': 'Geography of Greece', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 759, 'bleu_score': 0.983804329702269, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6042905559248075730}, 'section': 'Section::::Physical geography.\n'}]}]