human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Representative, Title, Presentation of Credentials, Termination of Mission, Appointed by
###Question: Which representative was the Ambassador Extraordinary and Plenipotentiary and had a Termination of Mission date September 20, 1996?
gpt
SELECT Representative FROM table WHERE Title = ambassador extraordinary and plenipotentiary AND Termination of Mission = september 20, 1996