Question: When was the Southern Railway 107 sold to help with the construction of a hydroelectric dam on the French Broad River in Sevier County, Tennessee?
Sentence (from "Southern Railway 107"): On December 9th, 1954, the SMRR brought in a GE 44 ton diesel to replace the steam locomotives and #107 along with the other SMRR steamers were left on a siding to rust.
Relevant evidence: No