user: Question: What percent of respondents had no opinion on George H.W. Bush?
Columns: ['Result', 'Barack Obama', 'George H. W. Bush', 'Ronald Reagan', 'Jimmy Carter', 'Gerald Ford', 'Richard Nixon']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1. outstanding', '10%', '6%', '27%', '5%', '5%', '3%']
SQL:

assistant: SELECT "George H. W. Bush" FROM "Table" WHERE "Result" = 'no opinion';