Georgi Stoyanov (pentathlete)
Georgi Stoyanov( born 20 September 1947) is a Bulgarian modern pentathlete.
He competed at the 1972 Summer Olympics.
Vimol Jankam
Vimol Jankam is a former professional footballer from Thailand.
Clarence H. Blackall
Clarence Howard Blackall( February 3, 1857 – March 5, 1942) was an American architect who is estimated to have designed 300 theatres.
Panuwat Kongchan
Panuwat Kongchan is a professional footballer from Thailand.
Pravit Wasoontra
Pravit Wasoontra is a retired professional footballer from Thailand.
Anirut Suebyim
Anirut Suebyim, is a professional footballer from Thailand.
Supachai Kamsab
Supachai Kamsab is a professional footballer from Thailand.
Henroy Mitchell
Henroy Mitchell is an international footballer from the British Virgin Islands, who plays as a striker.
Tinnapob Srisathit
Tinnapob Srisathit is a professional footballer from Thailand.
Georgi Stoyanov (footballer)
Georgi Stoyanov( born 24 September 1983) is a Bulgarian footballer, currently playing for Rakovski as a forward.

Question: Are Clarence H. Blackall and Georgi Stoyanov (Footballer) from the same country?
Answer: no