CREATE TABLE table_name_93 (nature_of_incident VARCHAR, casualties VARCHAR, circumstances VARCHAR)

What is the nature of the incident with Casualties of 3 wia, and Circumstances of ied?
SELECT nature_of_incident FROM table_name_93 WHERE casualties = "3 wia" AND circumstances = "ied"
SELECT "nature_of_incident" FROM "table_name_93" WHERE "3 wia" = "casualties" AND "circumstances" = "ied"