Question: What is the special when the challenger is Dominique Bouchet?
SQL: SELECT "Special" FROM "1-23982399-12" WHERE "Challenger" = 'Dominique Bouchet';

Question: Who was the winner when the iron chef is Hiroyuki Sakai?
SQL: SELECT "Winner" FROM "1-23982399-12" WHERE "Iron Chef" = 'Hiroyuki Sakai';

Question: Who was the challenger when winner was Kimio Nonaga?
SQL: SELECT "Challenger" FROM "1-23982399-12" WHERE "Winner" = 'Kimio Nonaga';

Question: Who was the winner for the original airdate is January 5, 2000 and challenger specialty is French?
SQL: SELECT "Winner" FROM "1-23982399-12" WHERE "Original airdate" = 'January 5, 2000' AND "Challenger Specialty" = 'French';