CREATE TABLE table_20648 ("Province" TEXT, "Map #" FLOAT, "ISO 3166-2:AF" TEXT, "Centers" TEXT, "Population" FLOAT, "Area  ( km\\u00b2 ) " FLOAT, "Language" TEXT, "Notes" TEXT, "U.N. Region" TEXT)

Name the notes for samangan
SELECT "Notes" FROM table_20648 WHERE "Province" = 'Samangan'
SELECT "Notes" FROM "table_20648" WHERE "Province" = 'Samangan'