SELECT date FROM table_name_66 WHERE casualties = "1 wia" AND circumstances = "ied" AND location = "15km nw of pol-e khomri"
Kapan lokasi 15 km NW dari Pol-e Khomri, keadaan IED dan korban 1 WIA?
CREATE TABLE table_name_66 (date VARCHAR, location VARCHAR, casualties VARCHAR, circumstances VARCHAR)