Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_10335_1 (estimated_deaths VARCHAR, operational VARCHAR)

### Question ###
what's the estimated deaths with operational period of 17 march 1942 – end of june 1943

### Accurate SQL ###

SELECT estimated_deaths FROM table_10335_1 WHERE operational = "17 March 1942 – end of June 1943"