For mid-hill zone  what is the altitude?
{'header': ['Particulars and Characteristics', 'Shivalik Zone', 'Mid-Hill Zone', 'High hill zone', 'Trance- n Himalaya Zone'], 'page_title': 'Climate of Himachal Pradesh', 'page_id': '', 'types': ['text', 'text', 'text', 'text', 'text'], 'id': '1-10638523-1', 'section_title': '', 'caption': 'References', 'rows': [['Altitude', 'Up to 800 m', '800m-1,600m', '1,600m-2,700m', '2,700m-3,600m'], ['Type of area', 'Valley areas and foothills', 'Hilly and mountain ranges', 'Alpine zone', 'Lahaul Spiti and Kinnaur range'], ['Climatic conditions', 'Sub tropical', 'Slightly warm temperature', 'Cool temperature with humidity', 'Dry and extremely cold conditions'], ['Rainfall in mm.', '1,500', '1,500-3000', '1,000-1,500', '500'], ['% of total geographical area', '30%', '10%', '25%', '35%']], 'name': 'table_10638523_1'}