Question: What rapper from Cleveland, Ohio  has done a collaboration with Blackbear?

Context paragraphs:
Ernest Sprague: Ernest Marshall Sprague (October 20, 1865 – May 10, 1938) was an American football player, public official, and engineer.  He was born in 1865 on a farm at Farmington, Michigan.  He was the son of Lorenzo Sprague and Laura G. (Meade) Sprague.  He enrolled at the University of Michigan where he played college football as a rusher for the 1886 Michigan Wolverines football team and as a left guard for the 1887 team.  After graduating from Michigan in 1888, Sprague was an engineer with the Chicago & Northwestern Railway.  He remained in that position until 1895.  He next worked for the Milwaukee, Lake Shore & Western Railroad as a general inspector from approximately 1895 to 1897.  His next position was with the Detroit Bridge & Iron Works.  He moved to Denver, Colorado, as a representative of the Gillett Herzog Manufacturing Company in 1898.  In 1900, he became employed with the American Bridge Company in Denver from 1900 to 1903.  In 1903, he moved to Cleveland, Ohio where he continued to work for the American Bridge Company as a contracting engineer.  As of 1915, he was the construction manager of the American Bridge Co. in Cleveland, Ohio.  He moved to East Cleveland, Ohio in 1905 and was a member of that city's city council and a city commissioner for several years.  He served on East Cleveland's City Commission from 1918 to 1934.  He married Maude L. Sill in Colorado in 1902.  They had two children, Robert and Jean.  At the time of the 1920 and 1930 U.S. Censuses, he lived in East Cleveland, Ohio, with his wife Maude.  Sprague later worked for 18 years as a construction manager for Bethlehem Steel.  He died in Cleveland at age 73 in 1938.

Olivia O'Brien: Olivia O'Brien (born November 26, 1999) is an American singer and songwriter.  She is best known for her collaboration with gnash on the "Billboard" Hot 100 top 10 song, "i hate u, i love u".  She has since released her debut single "Trust Issues" and two follow-ups, "Root Beer Float", featuring Blackbear, "Find What You're Looking For", as well as "RIP".

Machine Gun Kelly (rapper): Richard Colson Baker (born April 22, 1990), better known by his stage names MGK and Machine Gun Kelly, is an American rapper and actor, from Cleveland, Ohio.  MGK embarked on a musical career as a teenager, releasing a mixtape in 2006.  He went on to release four more mixtapes.

Blackbear: Matthew Tyler Musto (born November 27, 1990), known professionally as Blackbear (stylized as blackbear), is an American hip hop recording artist, singer, songwriter, and record producer.  He has collaborated with several musical artists such as Gnash, Justin Bieber, G-Eazy, Mike Posner, James Blake, Maejor Ali, Palisades, Machine Gun Kelly, Mod Sun, Rivers Cuomo, Childish Gambino, Billie Eilish, Pharrell Williams, and Linkin Park.  He co-wrote "Boyfriend" by Justin Bieber, which debuted at number 2 on the "Billboard" Hot 100.  He also produced the title track from G-Eazy's album "These Things Happen".

Cleveland Cripple Survey: The Cleveland Cripple Survey or Survey of Cripples in Cleveland was a survey done in Cleveland, Ohio first published in 1918 report by the Welfare Federation of Cleveland entitled: ""Education and Occupations of cripples Juvenile and Adults: A Survey of All Cripples of Cleveland, Ohio, 1916"".  The two reporters/authors for this Survey and report were Lucy Wright and Amy M. Hamburger.  This survey is often credited as being one of the first accurate disability censuses, that measured the social and economic conditions of individuals considered.

WKNR: WKNR (850 AM) – branded ESPN 850 WKNR – is a commercial sports radio station licensed to Cleveland, Ohio, serving Greater Cleveland.  Owned by Good Karma Brands, WKNR is one of two Cleveland affiliates for ESPN Radio; together, WKNR and sister station WWGK comprise a local sports radio duopoly known as ESPN Cleveland.  WKNR itself also serves as: a co-flagship station for the Cleveland Browns Radio Network; the primary Cleveland affiliate for the Ohio State IMG Sports Network; and the radio home of Je'Rod Cherry, Tony Grossi, Matt Wilhelm, and Brian Windhorst.  The WKNR studios are located in the Galleria at Erieview in Downtown Cleveland, while the station transmitter resides in the Cleveland suburb of North Royalton.  In addition to a standard analog transmission, WKNR is available online.

University Circle: University Circle is a neighborhood on the east side of Cleveland, Ohio.  America's densest concentration of cultural attractions and performing arts venues, it includes such world-class institutions as the Cleveland Museum of Art; Severance Hall, home to the Cleveland Orchestra; the Cleveland Institute of Art; Case Western Reserve University; the Cleveland Institute of Music; the Museum of Contemporary Art Cleveland; the Cleveland Botanical Garden; historic Lake View Cemetery; the Cleveland Museum of Natural History; and University Hospitals/Case Medical Center.  The area is also known as "The Circle" to locals.  Encompassing approximately 550 acre University Circle is bordered to the north by the Glenville neighborhood, to the south by the Buckeye-Shaker neighborhood, to the west and southwest by the neighborhoods of Hough and Fairfax (also known as Midtown) and to the east by the cities of East Cleveland and Cleveland Heights.  University Circle is member of the Global Cultural Districts Network.

Greater Cleveland: The Cleveland metropolitan area, or Greater Cleveland as it is more commonly known, is the metropolitan area surrounding the city of Cleveland in Northeast Ohio, United States.  According to 2016 United States Census estimates, the five-county Cleveland–Elyria Metropolitan Statistical Area (MSA) consists of Cuyahoga County, Geauga County, Lake County, Lorain County, and Medina County, and has a population of 2,055,612, making Greater Cleveland the 32nd most populous metropolitan area in the United States and largest metro entirely in Ohio.  Greater Cleveland is part of the larger Cleveland–Akron–Canton Combined Statistical Area and the Great Lakes Megalopolis.

Cleveland Hopkins International Airport: Cleveland Hopkins International Airport (IATA: CLE, ICAO: KCLE, FAA LID: CLE) is a public airport located nine miles (14 km) southwest of the central business district of Cleveland, Cuyahoga County, Ohio, United States.  It is the primary airport serving Northeast Ohio and is the largest and busiest airport in the state of Ohio.  The metropolitan area is also served by Burke Lakefront Airport and by Akron-Canton Regional Airport.  Cleveland Hopkins International Airport and Cleveland Burke Lakefront Airport together comprise the Cleveland Airport System, operated by the City of Cleveland's Department of Port Control.

Made in Cleveland: Made in Cleveland (formerly titled "Cleveland, I Love You") is a 2013 anthology film consisting of 11 short films featuring the work of seven different directors and five screenwriters.  The short films all relate in some way to the subject of life, love, and the pursuit of happiness in Cleveland, Ohio.  The film was written, directed, produced largely by people with connections to Cleveland, and it stars a cast and crew consisting predominantly of current or former Clevelanders, including Shaker Heights native Jamie Babbit and Cleveland natives Eric Swinderman and Robert C. Banks, Jr.  The film stars an ensemble cast, among them Busy Philipps, Gillian Jacobs, George Roth, Jeffrey Grover, Robin Swoboda, Leon Bibb, Brendan Potter, Derek Koger, Linda Ryan, Robbie Barnes, Charlie Martini, and others.  "Made in Cleveland" premiered June 13, 2013 at the historic Atlas Cinemas Lakeshore 7 theater in Euclid, Ohio.  It opened June 21 in five Atlas Cinemas theaters in Ohio, and was well reviewed in the local press.  "Made in Cleveland" will be released by its distributor, Striped Entertainment, in additional select cities in the United States in Summer 2013.

Supporting paragraphs: Blackbear Machine Gun Kelly (rapper)
Answer: Machine Gun Kelly