List of tallest buildings in China

Columns: Name | Floors | Year ( s ) as tallest | Height m | City
Union Building | 6 | 1916-1922 | 45.75 | Shanghai | Nanfang Building | 12 | 1922-1927 | 50 | Guangzhou | Customs House | 8 | 1927-1929 | 79.2 | Shanghai | Peace Hotel | 13 | 1929-1934 | 77 | Shanghai | Broadway Mansions | 19 | 1934-1934 | 78 | Shanghai | Park Hotel | 24 | 1934-1968 | 84 | Shanghai | Guangzhou Hotel | 27 | 1968-1976 | 86.51 | Guangzhou | Baiyun Hotel | 34 | 1976-1985 | 93.5 | Guangzhou

Example questions:
What is the population of the Chinese city that is the site of the building with the most floors ? | What was the tallest building in 1922 in the Chinese city that sits on the Pearl River ? | What unique structural piece sits on top of the Chinese building that has 80 floor ? | How many floors are in the Chinese building that was once the tallest and is now used by a number of insurance companies ?

Answers:
24.2 million | Nanfang Building | two antenna-like spires | 6