 Complete the following phrase:  In Extremadura the Pío Sopena Battalion was formed, under the command of Olegario Pachón. In Bujalance, Córdoba, the Andalusia-Extremadura Column was organized at the end of September from the remains of the different centuries and militia columns of the Andalusian CNT such as the Centuria de los Gavilanes from Bujalance, the Arcas Battalion and the Zimmerman Battalion from Seville, the Pancho Villa Battalion from Jaén, Castro del Río and Baena , the Alcoy Battalion created by Levantine militiamen who had already operated in the 