San Marco 1, also known as San Marco A, was the first Italian satellite, and the first non-Soviet/US spacecraft. Built in-house by the Italian Space Research Commission (Italian: "Commissione per le Ricerche Spaziali" , CRS) on behalf of the National Research Council, it was the first of five as part of the Italian-US San Marco programme.
San Marco was the first Soviet spacecraft.
A: No

"Best Friend" by 50 Cent is the third single released from the soundtrack of the film "Get Rich or Die Tryin'" (2005) and the remix featuring Olivia is the third single from her album, "Behind Closed Doors". It is also featured on the 2006 edition of 50 Cent's 2005 album, "The Massacre".
A single was released from the soundtrack of the film "Get Rich or Die Tryin'" (2005) .
A: Yes

The 200708 Tour de Ski was the 2nd edition of the Tour de Ski and took place from 28 December 2007 until 6 January 2008. The race kicked off in Nove Mesto, the Czech Republic, and finished in Val di Fiemme, Italy, ten days later. It featured 8 top international cross-country skiing competitions, of which two were sprint events.
An American won the Tour de Ski in it's second year of existence.
A:
It's impossible to say