The seven noble gases are helium, neon, argon, krypton, xenon, radon, and ununoctium. Only Reg knew the whole lot of them, but I'll also give bolded credit to Paul K (the K stands for Kinda Fudged On Ununoctium, But What Are You Gonna Do, It's Ununoctium . . . Which Is Kind Of Redundant. Shouldn't It Just Be Octium?). Very nice work, both of you. On to today's question:
How many American Idol champions have hailed from states north of the Mason-Dixon line?