Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Country | Skip | Third | Second | Lead |
| --- | --- | --- | --- | --- |
| Canada | William Dion | Jean-Michel Arsenault | Erik Lachance | Miguel Bernard |
| China | Zang Jialiang | Wang Zi | Yang Tuo | Chen Lu'an |
| Czech Republic | Krystof Chaloupek | Michal Vojtus | Martin Hejhal | David Jirounek |
| Denmark | Rasmus Stjerne | Mikkel Krause | Oliver Dupont | Troels Harry |
| Germany | Daniel Neuner | Florian Zahler | Johannes Glaser | Dominik Greindl |
| Norway | Kristian Rolvsfjord | Steffen Walstad | Steffen R. Mellemseter | Markus Snøve Høiberg |
| Scotland | Glen Muirhead | Scott MacLeod | Scott Andrews | Gordon McDougall |
| Sweden | Oskar Eriksson | Henric Jonsson | Marcus Franzén | Nils Karlsson |
| Switzerland | Manuel Ruch | Claudio Pätz | Daniel Graf | Joel Greiner |
| United States | Chris Plys | Aanders Brorson | Matthew Perushek | Matthew Hamilton |
Question:
Which skip's third is Steffen Walstad?
Answer:
Kristian Rolvsfjord