I am trying to decrypt this ciphertext, and I have decoded part of it (the hint at the bottom using a Vigenre cipher)

Xka cbtpa ntaqpo xp qppa t zrmpilxnvhk po ovt ip nqhux e apx xkbtrxcu esf x qkrzmfbt dbokxa lr nzocrz nawiagcra qxucurxcuxk xkt ubkm hxr cbux qpcpap xfcxi xp xgxbt mrd quc lexfr.

Cz yrmpilxnvhk F kxeo gpv xp efewrmqr nphyt cr wnvaqrgc, spx zncpm eo pqgcpx rwwh.R

(Decrypted hint- This cipher was used in National Treasure 2): Guvf pvcure jnf hfrq va Angvbany Gernfher 2

I am having a hard time decrypting the actual question though. I have tried the basic ciphers I have learned as well as the Vigenre cipher, and I can't figure it out. If anyone has helpful tips, that would be great! I want to crack it on my own, but I need some type of method to get started. I'm starting to feel like I need a cipher that we have not learned yet though.

Also, I have not seen National Treasure, but after googling I found something about an Ottendorf cipher as well as a Playfair Cipher, so I assume the answer is one of the two ciphers.