user: Question: What is the national share of Guizhou's administrative division?
Columns: ['Rank', 'Administrative Division', 'Area (km²)', 'Area (sq mi)', 'National Share (%)', 'Comparable Country']
Types: ['real', 'text', 'real', 'real', 'text', 'text']
Sample row: [1.0, 'Xinjiang', 1664897.0, 640900.0, '17.23', 'Iran']
SQL:

assistant: SELECT "National Share (%)" FROM "Table" WHERE "Administrative Division" = 'Guizhou';