user: Question: In what year(s) did South Korea win silver?
Columns: ['Year', 'Location', 'Gold', 'Silver', 'Bronze']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1986.0, 'Seoul', 'South Korea', 'Japan', 'India']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Silver" = 'South Korea';