user: Question: What percentage of people were opposed to the candidate based on the WNBC/Marist Poll that showed 8% of people were unsure?
Columns: ['Poll Source', 'Date', 'Candidate', 'Support', 'Consider', 'Oppose', 'Unsure']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['WNBC/Marist Poll', 'Feb 12–15, 2007', 'Hillary Clinton', '25%', '30%', '43%', '2%']
SQL:

assistant: SELECT "Oppose" FROM "Table" WHERE "Unsure" = '8%' AND "Poll Source" = 'WNBC/Marist Poll';