Quando foi a localização de 15 km N.O. de Pol-E Khomri, as circunstâncias do IED e as vítimas de 1 WIA?
CREATE TABLE table_name_66 (date VARCHAR, location VARCHAR, casualties VARCHAR, circumstances VARCHAR)
SELECT date FROM table_name_66 WHERE casualties = "1 wia" AND circumstances = "ied" AND location = "15km nw of pol-e khomri"