user: Question: What was the percentage of total votes in 1997?
Columns: ['Year', 'Candidates', 'Total votes', 'Average votes per candidate', '% of total vote', 'Average % of vote per candidate', 'Saved Deposits', 'Number of MPs']
Types: ['text', 'real', 'real', 'real', 'text', 'text', 'real', 'real']
Sample row: ['1974-02', 6.0, 4576.0, 763.0, '0.01', '1.67', 0.0, 0.0]
SQL:

assistant: SELECT "% of total vote" FROM "Table" WHERE "Year" = '1997';