Don Sinclair Davis, PhD (August 4, 1942 June 29, 2008) was an American character actor best-known for playing General Hammond in the television series "Stargate SG-1" (19972007), and earlier for playing Major Garland Briggs on the television series "Twin Peaks" (19901991). He was also a theater professor, painter, and United States Army captain.
Can we infer the following?
Major Garland Briggs was played by Don Sinclair Davis.

Possible answers:
(1). Yes
(2). It's impossible to say
(3). No
The answer is:
(1).