Question: The January 2015 Kolofata raid was perpetrated by the extremist group based in what country?
Sentence (from "Boko Haram"): Boko Haram, referred to by themselves as al-Wilāya al-Islāmiyya Gharb Afrīqiyyah (Arabic: الولاية الإسلامية غرب أفريقيا‎ ‎ , (Islamic State West Africa Province, "ISWAP") and Jamā'at Ahl as-Sunnah lid-Da'wah wa'l-Jihād (Arabic: جماعة أهل السنة للدعوة والجهاد‎ ‎ , "Group of the People of Sunnah for Preaching and Jihad"), is an Islamic extremist terrorist group based in northeastern Nigeria, also active in Chad, Niger and northern Cameroon.
Relevant evidence: Yes