Question: In what year was the railway, in which the FM H-12-44TS was manufactured specifically, chartered?
Sentence (from "FM H-12-44TS"): Only three of the 1200 hp , six-cylinder opposed piston engine locomotives (builder numbers 12L1021–12L1023) were manufactured especially for the Atchison, Topeka and Santa Fe Railway in May, 1956.
Relevant evidence: Yes