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_name_93 ( nature_of_incident VARCHAR, casualties VARCHAR, circumstances VARCHAR )

### Question ###
What is the nature of the incident with Casualties of 3 wia, and Circumstances of ied?

### Accurate SQL ###

SELECT nature_of_incident FROM table_name_93 WHERE casualties = "3 wia" AND circumstances = "ied"