Question: What sports governing role has been fulfilled by both Helmut Käser and Stanley Rous?
Sentence (from "Lawn Tennis Association of Thailand"): Lawn Tennis Association of Thailand (LTAT) (Thai: ลอนเทนนิสสมาคมแห่งประเทศไทย ) is the national governing body of tennis in Thailand, formed in 1926 it is one of the oldest organised sports governing body in Thailand.
Relevant evidence: No