user: Question: What is the least number of candidates running were there when 80 seats were won?
Columns: ['General election', '# of candidates', '# of seats won', '% of popular vote', 'Result']
Types: ['real', 'real', 'real', 'text', 'text']
Sample row: [1970.0, 108.0, 7.0, '23.06%', 'Liberal majority']
SQL:

assistant: SELECT MIN("# of candidates") FROM "Table" WHERE "# of seats won" = 80.0;