user: Question: What was Obama's percentage in the county of Alleghany?
Columns: ['County', 'Obama%', 'Obama#', 'McCain%', 'McCain#']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Accomack', '48.69%', 7607.0, '50.13%', 7833.0]
SQL:

assistant: SELECT "Obama%" FROM "Table" WHERE "County" = 'Alleghany';