CREATE TABLE table_16055 ("Camp" TEXT, "Estimated deaths" TEXT, "Operational" TEXT, "Occupied territory" TEXT, "Current country of location" TEXT, "Primary means for mass killings" TEXT)

what's the estimated deaths with operational period of 17 march 1942 end of june 1943
SELECT "Estimated deaths" FROM table_16055 WHERE "Operational" = '17 March 1942 – end of June 1943'
SELECT "Estimated deaths" FROM "table_16055" WHERE "Operational" = '17 March 1942 – end of June 1943'