 Complete the following phrase:  Sturmpanzer-Abteilung 219 was originally to be formed from Sturmgeschütz-Brigade 914, but this was changed to Sturmgeschütz-Brigade 237 in September 1944. In mid-September 1944, the brigade transferred to the Döllersheim Training Area to reorganize and re-equip. Only ten Sturmpanzers had been received when the battalion was alerted on 15 October to participate in 