CREATE TABLE table_10335_1 (estimated_deaths VARCHAR2, operational VARCHAR2)

what's the estimated deaths with operational period of 17 march 1942 end of june 1943
SELECT estimated_deaths FROM table_10335_1 WHERE operational = "17 March 1942 – end of June 1943"
SELECT "estimated_deaths" FROM "table_10335_1" WHERE "17 March 1942 – end of June 1943" = "operational"