CREATE TABLE table_name_51 (category VARCHAR, actor_actress VARCHAR, film_title_used_in_nomination VARCHAR)

What category was al pacino nominated for in the film, glengarry glen ross?
SELECT category FROM table_name_51 WHERE actor_actress = "al pacino" AND film_title_used_in_nomination = "glengarry glen ross"
SELECT "category" FROM "table_name_51" WHERE "actor_actress" = "al pacino" AND "film_title_used_in_nomination" = "glengarry glen ross"