James Hugh Sinclair (16 October 1876 – 23 February 1913) was a South African cricketer who played in 25 Tests from 1896 to 1911. He scored South Africa's first three Test centuries and was the first person from any country to score a century and take five wickets in an innings in the same Test. He is one of the fastest-scoring Test batsmen of all. Using only the above description and what you know about the world, "James Sinclair is one of the best test batsmen of all time" is definitely correct, incorrect, or inconclusive? 