CREATE TABLE table_16058 ("Camp" TEXT, "Estimated deaths" TEXT, "Operational" TEXT, "Occupied territory" TEXT, "Current country of location" TEXT, "Primary means for mass killings" TEXT)

what's the occupied territory with operational period of may 1940 january 1945
SELECT "Occupied territory" FROM table_16058 WHERE "Operational" = 'May 1940 – January 1945'
SELECT "Occupied territory" FROM "table_16058" WHERE "Operational" = 'May 1940 – January 1945'