user: Question: What is Nader's percentage when Obama is 44.6%?
Columns: ['County', 'McCain#', 'McCain%', 'Obama#', 'Obama%', 'Barr#', 'Barr%', 'Nader#', 'Nader%', 'McKinney#', 'McKinney%', 'Others#', 'Others%', 'Total ballots', 'Total eligible registration', 'Voter turnout']
Types: ['text', 'real', 'text', 'real', 'text', 'real', 'text', 'real', 'text', 'real', 'text', 'real', 'text', 'real', 'real', 'text']
Sample row: ['Apache', 8551.0, '34.3%', 15390.0, '61.8%', 111.0, '0.4%', 109.0, '0.4%', 75.0, '0.3%', 26.0, '0.1%', 24907.0, 41425.0, '60.13%']
SQL:

assistant: SELECT "Nader%" FROM "Table" WHERE "Obama%" = '44.6%';