Passage: Canglang District (simplified Chinese: 沧浪区; traditional Chinese: 滄浪區; pinyin: Cānglàng Qū) is a former district of Suzhou in Jiangsu Province. The district had an area of 30 km2 (12 sq mi) and in 2001 the population was around 310,000.

Question: How man people lived in the Canglang District in 2001?
310,000