<page_title> Alfredo Shahanga </page_title> <section_title> Achievements </section_title> <table> <cell> 1991 <col_header> Year </col_header> <col_header> Representing Tanzania </col_header> </cell> <cell> World Championships <col_header> Competition </col_header> <col_header> Representing Tanzania </col_header> </cell> <cell> Tokyo, Japan <col_header> Venue </col_header> <col_header> Representing Tanzania </col_header> </cell> </table>
Shahanga participated at the 1991 World Championships in Tokyo, Japan.