Question: Which operation was conducted at a test site which began with a 1-kiloton-of-TNT (4.2 TJ) bomb dropped on Frenchman Flat on 27 January 1951?
Sentence (from "Operation Teapot"): Operation Teapot was a series of fourteen nuclear test explosions conducted at the Nevada Test Site in the first half of 1955.
Relevant evidence: Yes