Conversation so far:
When did Sun Yat-sen start his education?
At the age of 10, Sun Yat-sen began seeking schooling
Where did Sun Yat-sen go to school?
During his stay in Honolulu, Sun Yat-sen went to ʻIolani School

Question: What did he learn at school?
Self-contained rewrite: What did Sun Yat-sen learn at 'Iolani school?