user: Question: How many figures are given for McCain's % in DAVIDSON county?
Columns: ['County', 'Obama#', 'Obama%', 'McCain#', 'McCain%']
Types: ['text', 'real', 'text', 'real', 'text']
Sample row: ['ANDERSON', 11396.0, '36.1%', 19675.0, '62.3%']
SQL:

assistant: SELECT COUNT("McCain%") FROM "Table" WHERE "County" = 'DAVIDSON';