Question: How long had Pfrang Association's headquarters location been the capitol city of the area where Guangling District is located?

<P0-S0> Guangling District () is one of three districts of Yangzhou, Jiangsu province, China. <P0-S1> The district includes the eastern half of Yangzhou's main urban area (including Yangzhou's historic center within the former city wall), and the city's eastern suburbs. <P0-S2> The other half of the city's main urban area is in Hanjiang District. <SEP> <P1-S0> "love around" was filmed entirely on location in taiwan. <P1-S1> asia fm 92.7, the radio station depicted in the drama is an actual free to air radio station in taiwan with its headquarters and broadcasting station in taoyuan city, taoyuan county. <P1-S2> the building and set used in the drama to depict the radio station is actually an office building located at 257 xinhu 2nd rd., neihu district, taipei city, which is only a few blocks from sanlih's broadcasting headquarters in the neihu district of taipei. <P1-S3> the resort that zhou zhen owns is the former "leo ocean resort" now called "ehr hotels & resorts yilan", located in yilan county. <P1-S4> the homes of both main lead characters are located in the newly developed area of danshui district new taipei city. <SEP> <P2-S0> Pfrang Association (also known as Pfrang) is a charitable organization based in Nanjing, China which raises money to assist with the education of children in the poor and rural regions of Jiangsu Province. <P2-S1> Its aim is to help overcome social inequality and as a result break the cycle of lack of education, poverty, and crime. <SEP> <P3-S0> kathmandu(/ˌkɑːtmɑːnˈduː/; nepali pronunciation: [kɑʈʰmɑɳɖu]) is the capital and largest municipality of nepal. <P3-S1> it also hosts the headquarters of the south asian association for regional cooperation (saarc). <P3-S2> it is the only city of nepal with the administrative status of mahanagar (metropolitan city), as compared to upa-mahanagar (sub-metropolitan city) or nagar (city). <P3-S3> kathmandu is the core of nepal's largest urban agglomeration located in the kathmandu valley consisting of lalitpur, kirtipur, madhyapur thimi, bhaktapur and a number of smaller communities. <P3-S4> kathmandu is also known informally as "ktm" or the "tri-city". <P3-S5> according to the 2011 census, kathmandu metropolitan city has a population of 975,453 and measures 49.45 km2 (19.09 sq mi). <SEP> <P4-S0> Archaeological discovery shows that "Nanjing Man" lived in more than 500 thousand years ago. <P4-S1> Zun, a kind of wine vessel, was found to exist in Beiyinyangying culture of Nanjing in about 5000 years ago. <P4-S2> In the late period of Shang dynasty, Taibo of Zhou came to Jiangnan and established Wu state, and the first stop is in Nanjing area according to some historians based on discoveries in Taowu and Hushu culture. <P4-S3> According to legend,[which?] <P4-S4> Fuchai, King of the State of Wu, founded a fort named Yecheng (冶城) in today's Nanjing area in 495 BC. <P4-S5> Later in 473 BC, the State of Yue conquered Wu and constructed the fort of Yuecheng (越城) on the outskirts of the present-day Zhonghua Gate. <P4-S6> In 333 BC, after eliminating the State of Yue, the State of Chu built Jinling Yi (金陵邑) in the western part of present-day Nanjing. <P4-S7> It was renamed Moling (秣陵) during reign of Qin Shi Huang. <P4-S8> Nanjing was later the capital city of Danyang Prefecture, and had been the capital city of Yangzhou for about 400 years from late Han to early Tang. <P4-S9> Since then, the city experienced destruction and renewal many times. <P4-S10> [citation needed] The area was successively part of Kuaiji, Zhang and Danyang prefectures in Qin and Han dynasty, and part of Yangzhou region which was established as the nation's 13 supervisory and administrative regions in the 5th year of Yuanfeng in Han dynasty (106 BC).