CREATE TABLE table_6152 ("Medal" TEXT, "Name" TEXT, "Games" TEXT, "Sport" TEXT, "Event" TEXT)

When did Pakistan win a Silver Medal in a Men's Competition?
SELECT "Games" FROM table_6152 WHERE "Event" = 'men''s competition' AND "Medal" = 'silver'
SELECT "Games" FROM "table_6152" WHERE "Event" = 'men\'s competition' AND "Medal" = 'silver'