What province has the largest city of Birjand?
CREATE TABLE table_name_73 (province VARCHAR, largest_city VARCHAR)
SELECT province FROM table_name_73 WHERE largest_city = "birjand"
### Context: CREATE TABLE table_name_73 (province VARCHAR, largest_city VARCHAR) ### Question: What province has the largest city of Birjand? ### Answer: SELECT province FROM table_name_73 WHERE largest_city = "birjand"