Question: How many years did the Sacrifice pay-per-view-event happen? Passage 1:The Impact World Championship is a professional wrestling world championship owned by the promotion Impact Wrestling, formerly Total Nonstop Action Wrestling (TNA). From June 2002 to May 2007, TNA used the NWA World Heavyweight Championship as their primary championship due to an agreement with the National Wrestling Alliance (NWA). On May 13, 2007, the NWA abruptly ended the arrangement and retrieved control of the NWA World Heavyweight Championship. On the same night, TNA were set to host their annual Sacrifice pay-per-view event, in which the NWA World Heavyweight Championship was to be defended by then-champion Christian Cage against Kurt Angle and Sting in a three-way match. Angle won the match and on the following episode of TNA's television program Impact! on May 17, was declared the new TNA World Heavyweight Champion. He was stripped of the championship later in the program, with Management Director Jim Cornette citing a problematic finish to the title match. The ownership of the championship was decided on June 17, 2007 at TNA's Slammiversary event in a King of the Mountain match involving Angle and Cage along with A.J. Styles, Chris Harris and Samoa Joe, which Angle won.
 Passage 2:In 1916, the 10th Field Artillery was activated for federal service in World War I, and Danford commanded the regiment during its initial training at Tobyhanna Army Depot. From February to July 1917, Danford was assigned as assistant professor of military science at Yale University, and served as the mustering officer for members of the Connecticut National Guard as they entered federal service. While at Yale, Danford co-authored Notes on Training Field Artillery Details, a practical manual for teaching field artillery tactics and techniques. It quickly became the Army's standard reference work for training field artillery soldiers, and went through numerous printings during and after World War I. In July 1917, Danford served as mustering officer for members of the Pennsylvania National Guard, after which he traveled to Fort Sill, where he served as an artillery instructor. Originally slated to join the 42nd Division, in August, he was instead assigned to the 302nd Field Artillery, a unit of the 76th Division. He trained with the regiment at Camp Devens, Massachusetts, after which he was assigned to Plattsburgh Barracks, New York as senior instructor of field artillery for the Army's second wartime Officers' Training Camp. He was promoted to major in August, and temporary lieutenant colonel on the same day.
 Passage 3:"Midnight Sun" is a song recorded by the Romanian female singer Elena Gheorghe. The song was recorded in summer 2010 and premiered on November 15, 2010, on Gheorghe's official YouTube channel. It was released under Cat Music exclusively in Romania. The song has more house influences than the previous number-one hit "Disco Romancing". It was sent to the mainstream radio stations in late November and it is promoted as the second single taken from Gheorghe's album entitled Disco Romancing. Lyrically, the song describes the shiver a millionaire wannabe guy gets when he sees Elena dancing. The song had its official radio premiere on the Romanian National Day, at radio ZU, though it premiered on Kiss FM a week earlier. Elena performed "Midnight Sun" live, on December 31, during a New Year special show, held by Pro TV. The music video was already shot in Bucharest and it was released via YouTube on May 13, 2011. The video features many special effects as well as the track listing for Gheorghe's upcoming album. The song peaked at number-one the Radio Top 50 and charted within the top ten in two other Romanian charts. In the official Romanian Top 100 it peaked at number-ten, thus making it Elena's fifth song to enter the top ten in Romania, after "Soarele meu", "Vocea ta", "The Balkan Girls" and "Disco Romancing". The song was performed at many dates throughout Romania.

Output: 1