Table:
text: Jaguar XJR-15
Racing history
Monaco
Position_ Race_Number Driver Country Laps
1. 11 Derek Warwick GB 16
2. 9 David Brabham AUS 16
3. 2 Davy Jones USA 16
4. 15 Juan Manuel Fangio II RA 16
5. 10 Armin Hahne D 16
6. 4 Bob Wollek F 16
7. 5 Tiff Needell GB 16
8. 6 Jim Richards NZ 16
9. 8 Matsuaki Sanada J 16
10. 7 Cor Euser NL 16
11. 12 David Leslie GB 16
12. 3 Andy Evans USA 16
13. 14 Yojiro Terada J 16
14. 16 Ian Flux GB 15
15. 1 Matt Aitken GB 13
DNF 13 John Nielsen DK DNF

Question: What is the Jaguar XJR-15 car number for Bob Wollek Monaco, racing history?

Question: From the Monaco racing history of the Jaguar XJR-15 is John Nielsen from which country?