 Complete the following phrase:  From 1951 to 1953, Choo coached the Indonesia national team on an honorary basis. The team toured Hong Kong in 1953, achieving wins over professional Hong Kong outfits. Choo was appointed Malaya national coach in 1958. He led the team to three Merdeka Tournament titles from 1958 to 1960. With Choo, Malaya also won the 1961 Southeast Asian Peninsular Games football competition and the bronze at the 