Question: American singer-songwriter Taylor Swift's career began with a record deal with Big Machine Records in 2005 and the release of her eponymous debut album the following year, all of its singles charted within the top forty in the United States and were certified platinum by which organization, including Our Song, a country song performed by American singer-songwriter Taylor Swift?
Sentence (from "Taylor Swift discography"): All of its singles—"Tim McGraw", "Teardrops on My Guitar", "Our Song", "Picture to Burn", and "Should've Said No"—charted within the top forty in the United States and were certified platinum by the RIAA.
Relevant evidence: Yes