<Tr> <Th> Guest (s) </Th> <Th> Ingredient (s) </Th> <Th> Contestants </Th> <Th> Judges </Th> <Th> Dish </Th> <Th> Winner </Th> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> "Grueneberg and Nunziata" </Td> <Td> August 24, 2013 (2013 - 08 - 24) </Td> <Td> Alex Guarnaschelli, Jeff Mauro </Td> <Td> zucchini </Td> <Td> Sara Grueneberg, Alberico Nunziata </Td> <Td> Billy Grant, Marissa May, Lauren DeMayo </Td> <Td> chicken parm </Td> <Td> Sara Grueneberg </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> "Welcome to New York!" </Td> <Td> March 3, 2014 (2014 - 03 - 03) </Td> <Td> Sunny Anderson, Jonathan Waxman </Td> <Td> skirt steak </Td> <Td> Anthony Lamas, Jennifer Nguyen </Td> <Td> Cobi Levy, Kelsey Nixon, Roberto Treviño </Td> <Td> shrimp and grits </Td> <Td> Bobby Flay </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> "Farmer and the Belle" </Td> <Td> March 6, 2014 (2014 - 03 - 06) </Td> <Td> Michael Symon, Simon Majumdar </Td> <Td> red prawn </Td> <Td> Karen Akunowicz, Matthew Raiford </Td> <Td> Corby Kummer, Melba Wilson, Harold Dieterle </Td> <Td> chicken and waffles </Td> <Td> Bobby Flay </Td> </Tr>

Who has beat bobby flay on his show