Schema: CREATE TABLE table_name_87 (nir_number VARCHAR, type VARCHAR, br_number_s_ VARCHAR)
Question: Which NIR number is for the tso (ex-br class 488 unit 488305) type that has a 6082 / 72605 BR number?
SQL: SELECT nir_number FROM table_name_87 WHERE type = "tso (ex-br class 488 unit 488305)" AND br_number_s_ = "6082 / 72605"