Question: Which mountain is the 103rd tallest mountain in the world: Siguang Ri or Tongshanjiabu?
Context: The 103rd Expeditionary Sustainment Command (ESC) is a subordinate command of 377th Theater Sustainment Command (United States).  The 103rd Sustainment Command (Expeditionary) is located on the Fort Des Moines Joint Reserve Complex in Des Moines, Iowa.  The command comprises 62 subordinate units and has command and control of almost 6,000 Army Reserve Soldiers throughout the midwestern United States to include locations in Iowa, Minnesota, Wisconsin, Michigan and Illinois.  The 103rd Sustainment Command (Expeditionary) provides trained and ready forces in support of global contingency operations.  On order, the 103rd ESC is prepared to deploy and provide command and control to all assigned, attached, and operationally controlled units and will provide sustainment planning, guidance and support to forces in the area of operations. 103rd Street Station (also known as 103rd Street - Beverly Hills Station) is one of five Metra stations within the Beverly neighborhood of Chicago, Illinois, along the Beverly Branch of the Rock Island District Line.  The station is located at 10301 South Walden Parkway on the corner of 103rd Street, 12.8 mi from LaSalle Street, the northern terminus of the line.  In Metra's zone-based fare system, 103rd Street is in zone C. Bloody Dick Peak is a summit in Beaverhead County, Montana, in the United States.  With an elevation of 9790 ft , Bloody Dick Peak is the 283rd tallest mountain in Montana. Siguang Ri is a mountain in the Mahalangur Himalayas of Tibet, China.  At an elevation of 7308 m it is the 83rd highest peak on Earth.  It is located approximately 6 kilometers NNE of Cho Oyu, the world's 6th highest mountain. Jirisan is a mountain located in the southern region of South Korea.  It is the second-tallest mountain in South Korea after Jeju Island's Hallasan, and the tallest mountain in mainland South Korea.  After Jirisan, Seoraksan is the third tallest mountain in South Korea and the second-tallest mountain on the South Korean mainland. This is a list of the tallest mountains in the Solar System.  The tallest peak or peaks on worlds where significant mountains have been measured are given; in some cases, the tallest peaks of different classes on a world are also listed.  At 21.9 km, the enormous shield volcano Olympus Mons on Mars is the tallest mountain on any planet.  For 40 years, following its discovery in 1971, it was the tallest mountain known in the Solar System.  However, in 2011, the central peak of the crater Rheasilvia on the asteroid and protoplanet Vesta was found to be of comparable height. The Watts line was a local line of the Pacific Electric Railway that operated between the Pacific Electric Building in Downtown Los Angeles, Los Angeles, California, United States and the Watts Station at 103rd Street in Watts, Los Angeles.  It was the primary local district service for the Southern District, which also included the Long Beach, San Pedro, Santa Ana and Whittier lines.  The route operated along the Southern Division's Four Tracks route, with the Watts Line using the outer tracks and the Long Beach line and other interurban and express lines using the inner tracks.  It operated between 1904 and 1958.  During the 1910s, its service was combined with the South Pasadena Line of the Northern District.  From 1938 to 1950, the line was combined with the Sierra Vista Line, which was the main local line in the Northern District.  Since 1990, service along the Watts Line between Washington Boulevard and 103rd Street has been operated by the Los Angeles Metro Blue Line, with stations at Washington Boulevard, Vernon Avenue, Slauson Avenue, Florence Avenue, Firestone Boulevard and 103rd Street. Tongshanjiabu () is a mountain in the Himalayas.  At 7,207 m tall, Tongshanjiabu is the 103rd tallest mountain in the world.  It sits in the disputed border territory between Bhutan and China.  Tongshanjiabu has never been officially climbed. The Wilshire Regent is a 23-story, 92.47 m full service condominium skyscraper in the Wilshire Corridor section of Westwood, Los Angeles, California and the 103rd tallest building in Los Angeles. 103rd Street (Rosemoor) is a commuter rail station along Metra Electric's main line in the Rosemoor neighborhood of Chicago.  It is located at 103rd Street and Cottage Grove Avenue, and is 13.06 mi away from the northern terminus at Millennium Station.  In Metra's zone-based fare system, 103rd Street (Rosemoor) is in zone C.
Answer: Tongshanjiabu