Question: who are the contestants left on american idol?
Answer: Julia Gargano, 21, Staten Island, New York., Arthur Gunn, 21, Wichita, Kansas., Dillon James, 26, Bakersfield, California., Louis Knight, 19, Philadelphia., Francisco Martin, 19, San Francisco., Just Sam, 21, Harlem, New York., Jonny West, 23, Murrieta, California.