user: Question: At what Games did the competitor win a Silver medal in the Light Heavyweight event?
Columns: ['Medal', 'Name', 'Games', 'Sport', 'Event']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Gold', 'George Oywello', '1962 Perth', 'Boxing', 'Heavyweight']
SQL:

assistant: SELECT "Games" FROM "Table" WHERE "Medal" = 'Silver' AND "Event" = 'Light Heavyweight';