CREATE TABLE table_15301258_1 (year VARCHAR2, best_supporting_actor VARCHAR2)

Name the year for sammo hung for ip man 2
SELECT year FROM table_15301258_1 WHERE best_supporting_actor = "Sammo Hung for Ip Man 2"
SELECT "year" FROM "table_15301258_1" WHERE "Sammo Hung for Ip Man 2" = "best_supporting_actor"