[['Beef kway teow', 'COUNTRY', 'Singapore'], ['Beef kway teow', 'REGION', '"Nationwide in Singapore and Indonesia"'], ['Singapore', 'LEADER_NAME', 'Tony Tan'], ['Singapore', 'LANGUAGE', 'Standard Chinese'], ['Singapore', 'LEADER_NAME', 'Halimah Yacob']]
Tony Tan and Halimah Yacob are leaders in Singapore, where Standard Chinese is spoken and the dish Beef kway teow is served. The dish is also available in Indonesia.