Question: The first season of "Chicago Fire" followed the paramedics working at which station of the Chicago Fire Department?

Context paragraphs:
Chicago Fire (TV series): Chicago Fire is an American action-drama television series created by Michael Brandt and Derek Haas with Dick Wolf as executive producer.  It is the first installment of Dick Wolf’s "Chicago" franchise.  The series premiered on NBC on October 10, 2012.  The show follows the firefighters and paramedics working at Firehouse 51 of the Chicago Fire Department, home of Truck 81, Squad 3, and Ambulance 61, as they risk their lives to save and protect the citizens of their city.

Chicago Fire Soccer Club: Chicago Fire Soccer Club is an American professional soccer club based in the Chicago suburb of Bridgeview, Illinois.  The team competes in Major League Soccer (MLS) as a member of the league's Eastern Conference.  The franchise is named after the Great Chicago Fire of 1871, and was founded on October 8, 1997, the event's 126th anniversary.  The team began play in 1998 as one of the league's first expansion teams.  The Fire won the MLS Cup as well as the U.S. Open Cup (the "double") on their first season.  They also won U.S. Open Cups in 2000, 2003, and 2006, in addition to the 2003 MLS Supporters' Shield.

Broward County Uniform Station Numbering: The Broward County Uniform Station Numbering system is a system by which all fire stations and fire apparatus in Broward County are numbered.  The numbering system was developed by the Fire Chief's Association of Broward County in order to minimize confusion and create efficient radio communications at large fires or emergency scenes, where multiple departments were working together.  The system went into effect on October 1, 1990 after a large fire at GLS Fiberglass in Port Everglades in 1988.  Prior to 1990, each fire department had its own numbering system, usually starting at 1 and proceeding to number each station that department operated from.  At this large fire in Port Everglades, Dania Beach Fire Department, Hollywood Fire Department, Port Everglades Public Safety, and Fort Lauderdale Fire Department all were on scene with their own Engine 1s.  As a result, every time a person called for "Engine 1" on fireground radios, confusion would ensue.

Old Chicago Water Tower District: The Old Chicago Water Tower District is a historic district along the Magnificent Mile shopping district in the Near North Side community area of Chicago, Illinois.  The district is located on both sides of North Michigan Avenue between East Chicago and East Pearson Streets.  It includes the Chicago Water Tower, Chicago Avenue Pumping Station, and Chicago Fire Department Fire Station No. 98.  All three structures are part of the Chicago Landmark district designated on October 6, 1971 (amended June 10, 1981).  The Water Tower and Pumping Station were jointly added to the National Register of Historic Places on April 23, 1975.  In addition the Tower was named an American Water Landmark in 1969.  The Water Tower was also one of the few buildings to survive the Great Chicago Fire.  The district is the namesake of the nearby Water Tower Place.

Matthew Casey: Matthew Casey is a fictional character on the NBC drama "Chicago Fire", portrayed by actor Jesse Spencer.  Casey is a lieutenant in the Chicago Fire Department's Firehouse 51's Truck Co. 81.

Briarcliff Manor Fire Department: The Briarcliff Manor Fire Department (BMFD) provides fire protection and emergency medical services to the village of Briarcliff Manor, New York and its hamlet Scarborough.  The volunteer fire department also serves unincorporated areas of Ossining and Mount Pleasant.  The fire department has three fire companies, two stations, and four fire engines.  Its engines include three pumpers and a tower-ladder; the department also maintains other vehicles, including a heavy rescue vehicle.  The Briarcliff Manor Fire Department Ambulance Corps provides emergency medical transport with two ambulances.  The fire department is headquartered at the Briarcliff Manor Village Hall, with its other station in Scarborough, on Scarborough Road.

Chicago Fire Department: The Chicago Fire Department (CFD) provides [[firefighting|fire suppression to the city of [[Chicago]], [[Illinois]], [[United States]], under the jurisdiction of the [[Mayor of Chicago]].  The Chicago Fire Department is the third largest municipal fire department in the United States after the [[New York City Fire Department]] and [[California Department of Forestry and Fire Protection|Cal Fire]], as measured by sworn personnel.  It is also one of the oldest major organized fire departments in the nation.

Los Angeles County Fire Department: The Los Angeles County Fire Department (LACoFD) provides fire prevention and firefighting for the unincorporated parts of Los Angeles County, California, as well as 58 cities, including the city of La Habra which is located in Orange County and is the first city outside of Los Angeles County to contract with LACoFD.  s of 2013 the department is responsible for just over 4 million residents spread out in over 1.2 million housing units across an area of 2305 sqmi .  According to Firehouse Magazine which keeps statistics on fire departments across the United States, the LACoFD is the 6th busiest department in the US, behind New York City Fire Department, Chicago Fire Department, Houston Fire Department, Los Angeles City Fire Department, and Dallas Fire Department.  The department is commanded by Chief Daryl L. Osby with an annual budget of $939 million.

Chicago Fire (season 1): The first season of "Chicago Fire", an American drama television series with executive producer Dick Wolf, and producers Derek Haas, Michael Brandt, and Matt Olmstead premiered on October 10, 2012, at Wednesday 10:00 p.m. EST, on NBC television network.  The season concluded after 24 episodes on May 22, 2013.

Organization of the Chicago Fire Department: The Chicago Fire Department in the second largest municipal fire department in the United States and one of the largest in North America.  The Chicago Fire Department is organized in a paramilitary fashion, similar to that of most large municipal fire departments.

Supporting paragraphs: Chicago Fire (season 1) Chicago Fire (TV series)
Answer: Firehouse 51