human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Poll Source, Date, Candidate, Support, Consider, Oppose, Unsure
###Question: What percentage of people were opposed to the candidate based on the WNBC/Marist poll that showed 8% of people were unsure?
gpt
SELECT Oppose FROM table WHERE Unsure = 8% AND Poll Source = wnbc/marist poll