At E3 <answer>2007</answer>, Sony was able to show a number of their upcoming video games for PlayStation 3, including Heavenly Sword, Lair, Ratchet & Clank Future: Tools of Destruction, Warhawk and Uncharted: Drake's Fortune; all of which were released in the third and fourth quarters of <answer>2007</answer>. They also showed off a number of titles that were set for release in 2008 and 2009; most notably Killzone 2, Infamous, Gran Turismo 5 Prologue, LittleBigPlanet and SOCOM: U.S. Navy SEALs Confrontation. A number of third-party exclusives were also shown, including the highly anticipated Metal Gear Solid 4: Guns of the Patriots, alongside other high-profile third-party titles such as Grand Theft Auto IV, Call of Duty 4: Modern Warfare, Assassin's Creed, Devil May Cry 4 and Resident Evil 5. Two other important titles for PlayStation 3, Final Fantasy XIII and Final Fantasy Versus XIII, were shown at TGS <answer>2007</answer> in order to appease the Japanese market.
What year was Warhawk released for the PlayStation 3?
2007