Table:
text: List of Iron Chef episodes
1993
1993
Overall_Episode_ Original_airdate Iron_Chef Challenger Challenger_Specialty Theme_Ingredient Winner
1 October 10, 1993 Yutaka Ishinabe Takeshi Maruyama (丸山　剛) Chinese ( Cantonese ) Salmon Yutaka Ishinabe
2 October 17, 1993 Rokusaburo Michiba Yōsei Kobayakawa (小早川陽青) French Foie gras Rokusaburo Michiba
3 October 31, 1993 Chen Kenichi Paolo Indragoli Italian Globefish Chen Kenichi
4 November 7, 1993 Yutaka Ishinabe Toshiyuki Kudō (工藤敏之) French Tofu Yutaka Ishinabe
5 November 14, 1993 Rokusaburo Michiba Zhou Tomiteru ( 周 富輝 Shū Tomiteru ? ) Chinese (Cantonese) Lobster Rokusaburo Michiba
6 November 21, 1993 Chen Kenichi Cheng Kazuhiko ( 程　一彦 Tei Kazuhiko ? ) Chinese ( Taiwanese ) Octopus Cheng Kazuhiko

Question: Who was the challenger in Episode 5 of the 1993 Iron Chef Episode List?