CREATE TABLE table_name_73 (nominee VARCHAR2, award_ceremony VARCHAR2, category VARCHAR2)

Which Nominee has an Award Ceremony of tony award, and a Category of the best performance by a leading actor in a musical?
SELECT nominee FROM table_name_73 WHERE award_ceremony = "tony award" AND category = "best performance by a leading actor in a musical"
SELECT "nominee" FROM "table_name_73" WHERE "award_ceremony" = "tony award" AND "best performance by a leading actor in a musical" = "category"