Question: What number largest convenience chain in Japan is the store in Damuqiao Road Station?

Context paragraphs:
Holiday Stationstores: Holiday Stationstores is a chain of gasoline and convenience stores in the United States.  It is the 18th largest convenience store chain in the United States, with over 500 locations in 10 states.  Stationstores are located in Alaska, Idaho, Michigan, Minnesota, Montana, North Dakota, South Dakota, Washington, Wisconsin and Wyoming.  It is based in Bloomington, Minnesota.  It also ranked 133rd on "Forbes"<nowiki>'</nowiki> list of America's largest private companies.  In July 2017, it was acquired by Montreal-based convenience store operator Alimentation Couche-Tard.

Opencor: Opencor (branded as OpenCor) is a chain of convenience stores owned and operated by the Spanish department store group El Corte Inglés.  Opencor offers products found at most convenience chain stores such as snacks, drinks, quick bites, newspapers and magazines, as well as other items not normally found in convenience store chains such as music CDs, movies and video games.

Allsup's: Allsup's, sometimes misspelled as Allsups, is a family-owned chain of convenience stores that serves New Mexico and Texas, with one store in Frederick, Oklahoma.  Although founded in Roswell, New Mexico in 1956 by Lonnie and Barbara Allsup, its corporate offices have been located in Clovis, New Mexico for decades.  Allsup's is ranked as the state's #1 privately owned corporation.  It is also the largest convenience store chain in the state of New Mexico.

Line 4, Shanghai Metro: Line 4 is a loop line of the Shanghai Metro network.  Its rolling stock carry a bright violet colour belt to differentiate them from Line 3 trains which share a portion of its track.  To determine the direction of travel, the line that travels counter-clockwise is called the "Outer Loop" (外环), while the other line is known as the "Inner Loop" (内环).  Although it is a loop line, trains returning to the depot use Yishan Road as a terminal to let all passengers disembark.  The first segment of the line between Damuqiao Road and Lancun Road (running in a "C"-shape) opened on December 31, 2005.  The remainder of the line opened on December 29, 2007.  The line is colored purple on system maps.

Wawa Inc.: Wawa Inc. is a chain of convenience store/gas stations located along the East Coast of the United States.  It operates in Pennsylvania, New Jersey, Delaware, Maryland, Virginia, and Florida.  The company's corporate headquarters is located in the Wawa area of Chester Heights, Pennsylvania in Greater Philadelphia.  s of 2008 , Wawa was the largest convenience store chain in Greater Philadelphia, and it is also the third-largest retailer of food in Greater Philadelphia, after ACME Markets and ShopRite.

Damuqiao Road Station: Damuqiao Road Station () is the name of a station on Line 4 of the Shanghai Metro.  It is one of the few stations that has a store accessible inside - a FamilyMart.  Damuqiao Road will become an interchange station when the Line 12 section enters operation in 2014.

Jiashan Road Station: Jiashan Road Station () is a station on Line 9 of the Shanghai Metro.  It is located near the intersection of Zhaojiabang Road and Damuqiao Road.  The station came into operation on December 31, 2009.

Middle Huaihai Road Station: Midlle Huaihai Road Station () is a station on Line 13 of the Shanghai Metro.  This station is located on Ruijin 1st Road (near Middle Huaihai Road), between the existing Line 1 stations at South Huangpi Road Station and South Shaanxi Road Station.  The station opened on December 19, 2015 as part of the extension to Line 13.

Middle Longhua Road Station: Middle Longhua Road Station, formerly Chuanchang Road Station, is a station on Line 7 of the Shanghai Metro located in Xuhui District.  It was known during construction as Pujiang Nanpu Station.  It entered operation on December 5, 2009 with the official name Chuanchang Road Station.  In December 2012 it was officially renamed to Middle Longhua Road Station.

FamilyMart: FamilyMart (ファミリーマート , Famirīmāto ) is a Japanese convenience store franchise chain.  FamilyMart is Japan's 2nd largest convenience store chain, behind 7-Eleven.  In South Korea the stores are now called CU (under ownership of BGF Retail, headquartered in Seoul, South Korea) and used to be the largest chain store in South Korea.

Supporting paragraphs: Damuqiao Road Station FamilyMart
Answer: 2nd