Complex sentence: "Sale el Sol" was first announced as the official second single from Sale el Sol on November 6,2010 by Shakira's official fan site and confirmed through an announcement on the Pies Descalzos Foundation site.
Split into simpler sentences: Sale el Sol was announced as the second single from the album on November 6,2010 via Shakira's official fan site. It had also been confirmed through an announcement on the Pies Descalzos Foundation site.