Table schema:
CREATE TABLE table_name_73 (original_title VARCHAR, director VARCHAR, film_title_used_in_nomination VARCHAR)

Question: What is the Original Title, when Director is "Ting Shan-Si", and when Film Title Used In Nomination is "The 800 Heroes"?
SQL: SELECT original_title FROM table_name_73 WHERE director = "ting shan-si" AND film_title_used_in_nomination = "the 800 heroes"