CREATE TABLE table_62590 ("Medal" TEXT, "Name" TEXT, "Games" TEXT, "Sport" TEXT, "Event" TEXT)

At what Games did the competitor win a Silver medal in the light heavyweight event?
SELECT "Games" FROM table_62590 WHERE "Medal" = 'silver' AND "Event" = 'light heavyweight'
SELECT "Games" FROM "table_62590" WHERE "Event" = 'light heavyweight' AND "Medal" = 'silver'