Question: Who was the challenger when Guillaume Brahimi was the iron chef?
SQL: SELECT "Challenger" FROM "1-29281529-2" WHERE "Iron Chef" = 'Guillaume Brahimi';

Question: Who was the iron chef when Herb Faust was the challenger?
SQL: SELECT "Iron Chef" FROM "1-29281529-2" WHERE "Challenger" = 'Herb Faust';

Question: What date did the episode air when Guy Grossi won?
SQL: SELECT "Airdate" FROM "1-29281529-2" WHERE "Winner" = 'Guy Grossi';