Table schema:
CREATE TABLE table_23887174_1 (number_of_cantons__gavars_ VARCHAR, armenian_name VARCHAR)

Question: How many different numbers of cantons does the province with the Armenian name վասպուրական have?
SQL: SELECT COUNT(number_of_cantons__gavars_) FROM table_23887174_1 WHERE armenian_name = "Վասպուրական"