CREATE TABLE table_68828 ("Date" CLOB, "Location" CLOB, "Nature of incident" CLOB, "Circumstances" CLOB, "Casualties" CLOB)

What is the nature of the incident with Casualties of 3 wia, and Circumstances of ied?
SELECT "Nature of incident" FROM table_68828 WHERE "Casualties" = '3 wia' AND "Circumstances" = 'ied'
SELECT "Nature of incident" FROM "table_68828" WHERE "Casualties" = '3 wia' AND "Circumstances" = 'ied'