." >> today's contestant, tyler swenson, from phoenix, arizona, once worked for the cia and actuallyission is to win $1 million. let's play "who wants to be a millionaire." [cheers and applause] [dramatic music] ♪ all right, welcome to the show. you guys ready to go today? [cheers and applause] >> they're fired up, tyler. >> i am, too. >> you better be. you're about to face 14 questions, all the way up to that $1 million, and you also have the three lifelines up there, if and when you need 'em. let's keep everybody fired up and let's play "who wants to be a millionaire." >> all right! [dramatic musical flourish] >> $500 question starts us off. good luck. >> okay. >> in describing the layers of the earth, geologists often say that beneath the hard rock of the crust lies the what of the mantle? >> it, uh--the chewy center has to be a, soft rock. final. >> that's right. >> [chuckles] >> that's it, for $500. [applause] here's your thousand dollar question. >> all right. >> representing his status as heaven's gatekeeper, st. peter is often symbolized by what object or objects associated w