Question: What was the population in 2013 of the city where the Sarasota Journal was published?

Context paragraphs:
Florida's 16th congressional district: Florida's 16th congressional district is an electoral district for the U.S. Congress and was reassigned in 2012, effective January 2013, to western Manatee County, Florida and Sarasota County.  The district stretches from Bradenton, the County Seat, in Manatee County to North Port, in Sarasota County, the county's youngest and most populous incorporated city.  The city of Sarasota is the County Seat of Sarasota County.

Karen Dillon: Karen Dillon (born 1952) is an American investigative journalist.  She is a native of Missouri and received a bachelor's degree and master's degree from the University of Missouri in 1988 and 1989.  She has worked for a number of newspapers including the "Sarasota Herald-Tribune", "The Kansas City Star", a television station, KSHB, the NBC affiliate in Kansas City, and the city's alternative newspaper, "The Pitch".  She is an investigative reporter for "The Lawrence Journal World", located in the Kansas City area and home to the University of Kansas.

Sarasota, Florida: Sarasota ( ) is a city in Sarasota County on the southwestern coast of the U.S. state of Florida.  The area is renowned for its cultural and environmental amenities, beaches, resorts, and the Sarasota School of Architecture.  The city is at the southern end of the Tampa Bay Area, north of Fort Myers and Punta Gorda.  Its official limits include Sarasota Bay and several barrier islands between the bay and the Gulf of Mexico.  According to the U.S. Census Bureau, in 2013 Sarasota had a population of 53,326.  In 1986 it became designated as a certified local government.  Sarasota is a principal city of the Sarasota metropolitan area, and is the seat of Sarasota County.

Indiana University Mathematics Journal: The Indiana University Mathematics Journal (ISSN 0022-2518  ) is a journal of mathematics published by Indiana University.  Its first volume was published in 1952, under the name Journal of Rational Mechanics and Analysis and edited by Václav Hlavatý and Clifford Truesdell.  In 1957, Eberhard Hopf became editor, the journal name changed to the Journal of Mathematics and Mechanics, and Truesdell founded a separate successor journal, the "Archive for Rational Mechanics and Analysis", now published by Springer-Verlag.  The "Journal of Mathematics and Mechanics" later changed its name again to the present name.  s of 2013 , the managing editor is Chris Judge.

Journal of Graphics Tools: The Journal of Graphics Tools (JGT) was a quarterly peer-reviewed scientific journal covering computer graphics.  It was established in 1996 and published by A K Peters, Ltd., now part of Taylor & Francis.  From 2009-2011 the journal was published as the Journal of Graphics, GPU, & Game Tools.  In 2012, a large part of the editorial board resigned to form the open access "Journal of Computer Graphics Techniques" (JCGT).  The "Journal of Graphics Tools" continued with a new editorial board.  The last editor-in-chief is Francesco Banterle (Istituto di Scienza e Tecnologie dell'Informazione).  Previous editors-in-chief have been Andrew Glassner, Ronen Barzel, Doug Roble, and Morgan McGuire.  The final volume was released in 2013 and the journal formally ceased with its final issue in 2015.

North Port, Florida: North Port is a city in southern Sarasota County, Florida, United States.  The population was 57,357 at the 2010 census.  It is part of the North Port–Bradenton–Sarasota Metropolitan Statistical Area.  It was originally developed by General Development Corporation as the northern or Sarasota County part of its Port Charlotte development.  GDC dubbed it "North Port Charlotte", and it was incorporated under that name through a special act of the Florida Legislature in 1959.  By referendum in 1974 the city's residents approved a change to simply North Port to proclaim its separate identity.

Sarasota Journal: The Sarasota Journal was an American daily newspaper published in Sarasota, Florida, from 1952 until 1982.  The "Journal" was founded in 1952 by publisher Lindsay Newspapers Inc. as an afternoon companion to their morning daily "Sarasota Herald-Tribune" newspaper.

Sarasota County, Florida: Sarasota County is a county located in the U.S. state of Florida.  As of the 2010 census, the population was 379,448.  Its county seat is Sarasota, and its largest city is North Port.  A majority (over 60%) of Sarasota County's residents live in unincorporated areas outside of its four municipalities.

Journal of Materials Chemistry A: The Journal of Materials Chemistry A is a weekly peer-reviewed scientific journal that covers the synthesis, properties, and applications of novel materials related to energy and sustainability.  It is one of three journals created after the "Journal of Materials Chemistry" was split at the end of 2012.  Its first issue was published in January 2013.  The journal is published by the Royal Society of Chemistry and has two sister journals, "Journal of Materials Chemistry B" and "Journal of Materials Chemistry C", which cover different materials science topics.  The editor-in-chief for the "Journal of Materials Chemistry" family of journals is currently Nazario Martin.  The deputy editor-in-chief for "Journal of Materials Chemistry A" is Hiroshi Imahori, while the executive editor is Annie Harvey.

Siesta Key, Florida: Siesta Key is a barrier island off the southwest coast of the U.S. state of Florida.  It is situated between Roberts Bay and the Gulf of Mexico.  A portion of it lies within the city boundary of Sarasota, but the majority of the key is a census-designated place (CDP) in Sarasota County.  After the probable Amerindian name of "Zarazote" for the area and the bay, the key was originally named "Sarasota Key" by European cartographers during exploration beginning in 1513.  That name can be seen on maps from the early 18th century as well as on all local maps drawn before the name change to "Siesta Key" in the 1920s.  The population was 6,565 at the 2010 census.

Supporting paragraphs: Sarasota Journal Sarasota, Florida
Answer: 53,326