Question: What extended play in the album by American singer-songwriter Taylor Swift, released on October 24, was released on July 15, 2008 by Big Machine Records exclusively to Walmart stores in the United States and online?
Sentence (from "Taylor Swift (album)"): Musically, the album is country music styled, and lyrically it speaks of romantic relationships, a couple of which Swift wrote from observing relationships before being in one.
Relevant evidence: No