Question: What year did the seventh musical by the team that wrote "Oklahoma" premier?

Context articles: Canada women's junior national softball team
7th Oklahoma Legislature
Josh Holliday
Oscar Hammerstein II
John A. Harts
Oklahoma City FC (NASL)
2005 Oklahoma Sooners football team
James C. Nance
Oklahoma City FC (NPSL)
Pipe Dream (musical)

Canada women's junior national softball team is the junior national under-17 team for Canada.
 The team competed at the 1985 ISF Junior Women's World Championship in Fargo, North Dakota where they finished seventh.
 The team competed at the 1987 ISF Junior Women's World Championship in Oklahoma City, Oklahoma where they finished seventh.
 The team competed at the 1991 ISF Junior Women's World Championship in Adelaide, Australia where they had 5 wins and 6 losses.
 The team competed at the 1995 ISF Junior Women's World Championship in Normal, Illinois where they finished fifth.
 The team competed at the 1999 ISF Junior Women's World Championship in Taipei, Taiwan where they finished seventh.
 The team competed at the 2003 ISF Junior Women's World Championship in Nanjing, China where they finished sixth.
 The team competed at the 2007 ISF Junior Women's World Championship in Enschede, Netherlands where they finished fifth.
 The team competed at the 2011 ISF Junior Women's World Championship in Cape Town, South Africa where they finished fifth.
 The team competed at the 2013 ISF Junior Women's World Championship in Brampton, Ontario where they finished fifth.
The Seventh Oklahoma Legislature was a meeting of the legislative branch of the government of Oklahoma, composed of the Oklahoma Senate and the Oklahoma House of Representatives.
 The Oklahoma State Capitol, which was completed on June 30, 1917, was now available to state legislators The building was completed on June 30, 1917.
 They met in regular session from January 7 to March 29, 1919, during the first year of the term of Governor James B.A. Robertson.
 Among the newly elected members of the Oklahoma House of Representatives was George B. Schwabe, who would soon serve as the first Republican Speaker of the Oklahoma House of Representatives.
Josh Holliday (born September 14, 1976) is an American college baseball coach and former professional player in Minor League Baseball.
 Currently the head coach of the Oklahoma State Cowboys baseball team, he was hired to this position prior to the 2013 season.
 In 2014, Holliday was the Big 12 Conference Baseball Coach of the Year as OSU claimed the conference regular season championship.
 Hollidays' Cowboys pulled OSU a little Cowboy baseball tradition out of the fire and faced Oklahoma on the final weekend of 2017.
 The team was in danger of missing out of the postseason for the 1st time in Hollidays tenure at Oklahoma State.
 The Cowboys swept the instate rival Oklahoma Sooners (#2 seed going into region play) to claim the last and final spot as the 8th seed in the BigXII Championship.
 The Cowboys went back to their traditionion and won just the 2nd Big 12 tournament in schools rich baseball history.
 The Cowboys won 16 straight Big 8 tournaments before the formation of the Big12.
 The Cowboys became the 1st eight seed (last seed) to win the conference championship and by doing so Holliday got his team in the NCAA postseason for the 5th time in his 5 years at the school.
 The season was full of injuries from top to bottom Holliday and is associated Head Coach and current (2016) assistant coach of the year Rob Walton put together a pitching staff that was nothing short of magical.
 The Cowboys luck would run out as the were sent to the Arkansas Regional and went 0-2 losing game one to Regional champions Missouri State Bears on a two out bottom of the 9th walk off HR.
 Garrett Benge hit for the cycle for Hollidays Cowboys but it wasn't enough.
 Garrett McCain would be named 1st team all-American the 25th in Cowboys history he would one of five current Cowboys drafted in 2017 preceded by 11 from the 2016 College World Series club.
 Giving Holliday 16 in 2 years.
 The Cowboys went on the end of the year run the had seen them lose six games in a row and face being the 1st Oklahoma State team to finish under .500 in 40 years.The Cowboys finished 30-27 on the year.
 The 6-5 victory of the Texas Longhorns would be Hollidays' 200th victory as the head man of Oklahoma State.
Oscar Greeley Clendenning Hammerstein II ( ; July 12, 1895 – August 23, 1960) was an American librettist, theatrical producer, and (usually uncredited) theatre director of musicals for almost forty years.
 Hammerstein won eight Tony Awards and two Academy Awards for Best Original Song.
 Many of his songs are standard repertoire for vocalist's and jazz musicians.
 He co-wrote 850 songs.
 Hammerstein was the lyricist and playwright in his partnerships; his collaborators wrote the music.
 Hammerstein collaborated with numerous composers, such as Jerome Kern, with whom he wrote "Show Boat", Vincent Youmans, Rudolf Friml, Richard A. Whiting and Sigmund Romberg; but he is best known for his collaborations with Richard Rodgers, as the duo Rodgers and Hammerstein which include "Oklahoma!
", "Carousel", "South Pacific", "The King and I", and "The Sound of Music".
John A. "Jack" Harts was a student and teacher at the University of Oklahoma from Winfield, Kansas.
 He was also the first coach of the Oklahoma Sooners football team in 1895.
 At the university, he taught elocution.
 He was the primary organizer of that first team made up of students and Norman, Oklahoma residents.
 The team only played one game that year against a more experienced Oklahoma City town team.
 The upstart Sooners lost 34–0.
 Following that year, Harts left OU to prospect for gold in the Arctic.
Oklahoma City FC was a proposed American professional Men's soccer team to be based in Oklahoma City, Oklahoma.
 They were scheduled to join the North American Soccer League (NASL) – Division II in the American soccer pyramid – beginning with the 2015 season.
 The organization also fielded an amateur team in the National Premier Soccer League and currently fields a women's team in the Women's Premier Soccer League.
The 2005 Oklahoma Sooners football team represented the University of Oklahoma in the 2005 NCAA Division I-A football season, the 111th season of Sooner football.
 The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his seventh season as head coach.
 They played their home games at Gaylord Family Oklahoma Memorial Stadium in Norman, Oklahoma.
 They were a charter member of the Big 12 Conference.
James Clark "Jim" Nance (August 27, 1893 – September 3, 1984) was a leader for 40 years in the Oklahoma Legislature in the U.S. state of Oklahoma and was community newspaper chain publisher 66 years.
 Nance served as Speaker of the Oklahoma House of Representatives and President pro tempore of the Oklahoma Senate.
 During his legislative career, Nance wrote the "Honest Mistake" law which became a model for other states.
 Nance then became a key sponsor and Legislative Chairman of the U.S. Uniform Law Commission (ULC), sponsored by the National Conference of Commissioners on Uniform State Laws, a non-partisan advisory panel which drafted uniform acts and uniform state commerce laws.
 Nance became known as a legislative expert in a 40 year legislative career as one of two Oklahomans to hold the top posts in both chambers of the Oklahoma Legislature.
 The state's largest newspaper, The Daily Oklahoman wrote he was the "longest serving Oklahoma Legislator" and "A Legislator's Legislator."
 Nance, a Democrat, is the only Oklahoma House Speaker elected through a bipartisan coalition of Democrats and Republicans.
Oklahoma City FC was a men's soccer team based in Oklahoma City, Oklahoma.
 They played in the National Premier Soccer League (NPSL).
 Founded in 2013, the team played in the USL Premier Development League in their first year before shifting to the NPSL.
 The organization also runs the Oklahoma City FC women's team in the Women's Premier Soccer League and the proposed Oklahoma City FC of the North American Soccer League (NASL).
Pipe Dream is the seventh musical by the team of Richard Rodgers and Oscar Hammerstein II; it premiered on Broadway on November 30, 1955.
 The work is based on John Steinbeck's short novel "Sweet Thursday"—Steinbeck wrote the novel, a sequel to "Cannery Row", in the hope of having it adapted into a musical.
 Set in Monterey, California, the musical tells the story of the romance between Doc, a marine biologist, and Suzy, who in the novel is a prostitute; her profession is only alluded to in the stage work.
 "Pipe Dream" was a flop and a financial disaster for Rodgers and Hammerstein.