Title: Wu (state)
Content:  Wu (Old Chinese: *) was one of the states during the Western Zhou dynasty and the Spring and Autumn period. It was also known as Gouwu (句吳 /*/) or Gongwu (工/攻吳 /*/) from the pronunciation of the local language. Wu was located at the mouth of the Yangtze River east of the State of Chu. Its first capital was at Meili (probably in modern Wuxi) and was later moved to Gusu (姑蘇, modern Suzhou) and then Helu City (the old town of present-day Suzhou).
Title: Yang Wu
Content:  The Wu capital was at Guangling (present-day Yangzhou), and held present-day central and southern Anhui, central and southern Jiangsu, much of Jiangxi, and eastern Hubei.
Title: Wu (region)
Content:  The state of Wu was founded by Taibo and Zhongyong, the first and second son of King Tai of Zhou. Meili (梅里) was the capital city. The vicinity is now known as Wuxi.
Title: Wu (region)
Content:  Suzhou was the capital of the Wu state during the Warring States period. Suzhou was also called Wuzhou. The Wu language and its dialects are spoken in Wu region. The city of Suzhou is located in the core area of Wu region, and the dialect spoken in Suzhou is usually regarded as the most typical Wu language dialect.
Title: Wuhan
Content:  Wuhan is the capital of Hubei Province in the People's Republic of China. It is the largest city in Hubei and the most populous city in Central China, with a population of over eleven million, the ninth-most populous Chinese city and one of the nine National Central Cities of China. The name "Wuhan" came from the city's historical origin from the conglomeration of Wuchang, Hankou, and Hanyang, which are collectively known as the "Three Towns of Wuhan". Wuhan lies in the eastern Jianghan Plain, at the confluence of the Yangtze river and its largest tributary, the Han River, and is known as "Nine Provinces' 
Title: Suzhou
Content:  During the Zhou Dynasty, a settlement known as Gusu after nearby Mount Gusu became the capital of the state of Wu. From this role, it also came to be called Wu as well. In 514BC, King Helü of Wu established a new capital nearby at Helü City and this grew into the modern city. During the Warring States period, Helü City continued to serve as the local seat of government. From the areas it administered, it became known as Wuxian (lit. "Wu County") and Wujun ("Wu Commandery"). Under the Qin, it was known as Kuaiji after its greatly enlarged commandery, which was named for the reputed resting 
Title: Wu County
Content:  Wu County or Wuxian (221 B.C. &ndash; December 2000) is a former county and city located in modern Suzhou City, Jiangsu Province. Its name refers to its former status as the capital of the state of Wu during the Spring and Autumn period.
Title: Wu Commandery
Content:   Wu Commandery was a commandery of imperial China. It covers parts of the contemporary Northern Zhejiang and Southern Jiangsu. The capital of Wu commandery was Wu (today's Suzhou). Major counties of Wu commandery include Wu (county), Yuhang county, and Huating county which later became known as Suzhou, Hangzhou and Shanghai.
Title: Wuhan University of Science and Technology
Content:  Wuhan University of Science and Technology (WUST) is a public, comprehensive, research university located in Wuhan, the capital of Hubei province, China. It is a key university established and managed by Hubei province and by the Chinese Ministry of Education.
Title: Historical capitals of China
Content:  ; Wuhan was the capital of a government formed by Wang Jingwei and leftist members of the Kuomintang in 1927. It opposed the Nationalist government led by Kuomintang leader Chiang Kai-shek. ; Xanadu / Shangdu, located northwest of present-day Dolon Nor in Inner Mongolia, China, was the summer capital of the Yuan dynasty. After the fall of the Yuan dynasty, it briefly became the capital of the Northern Yuan dynasty between 1368 and 1369. It was destroyed in 1369. ; Xi'an (also romanized Sian), previously called Chang'an, and including its surrounding areas in present-day Shaanxi Province, was the capital of various dynasties, including: ; The 

Question: What is the capital of Wu?
Answer: Gusu District.