Question: How many weeks did the lead single from Culture Beat's second studio album spend at number one on the "RPM" Dance chart in Canada?
Related documents: [0]  [DOC] Serenity is the second studio album by German Eurodance band Culture Beat, released in 1993. It includes the single "Mr. Vain", which topped the charts across Europe and Australia. [END] 
[1]  [DOC] "Mr. Vain" is a song by German Eurodance group Culture Beat. It was released in April 1993 as the lead single from the album "Serenity". The song achieved huge success worldwide, reaching number one in Australia, Austria, Germany, Ireland, Italy, the Netherlands, Norway, Switzerland, and the United Kingdom. It also spent ten weeks at number one on the "RPM" Dance chart in Canada. [END] 
Answer: 
ten weeks
ten weeks