CREATE TABLE table_80076 ("NIR Number" TEXT, "Introduced" TEXT, "BR Number ( s ) " TEXT, "Built" TEXT, "Type" TEXT)

Which NIR number is for the tso (ex-br class 488 unit 488305) type that has a 6082 / 72605 BR number?
SELECT "NIR Number" FROM table_80076 WHERE "Type" = 'tso (ex-br class 488 unit 488305)' AND "BR Number(s)" = '6082 / 72605'
SELECT "NIR Number" FROM "table_80076" WHERE "BR Number(s)" = '6082 / 72605' AND "Type" = 'tso (ex-br class 488 unit 488305)'