Chuwit Sirivajjakul

Chuwit Sirivajjakul is not mentioned in either of the provided news articles. The articles focus on the Eurovision Song Contest, its expansion into Asia with a new contest in Bangkok, and its history and impact on artists' careers. They also mention past winners and participants from various countries. Therefore, I cannot provide any information about Chuwit Sirivajjakul based on the given context. The articles do not establish any connection or relevance to this individual.