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:
| Rd. | Grand Prix | Pole position | Fastest lap | Winning driver | Winning constructor | Report |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Australian Grand Prix | Lewis Hamilton | Jenson Button | Jenson Button | McLaren - Mercedes | Report |
| 2.0 | Malaysian Grand Prix | Lewis Hamilton | Kimi Räikkönen | Fernando Alonso | Ferrari | Report |
| 3.0 | Chinese Grand Prix | Nico Rosberg | Kamui Kobayashi | Nico Rosberg | Mercedes | Report |
| 4.0 | Bahrain Grand Prix | Sebastian Vettel | Sebastian Vettel | Sebastian Vettel | Red Bull - Renault | Report |
| 5.0 | Spanish Grand Prix | Pastor Maldonado | Romain Grosjean | Pastor Maldonado | Williams - Renault | Report |
| 6.0 | Monaco Grand Prix | Mark Webber | Sergio Pérez | Mark Webber | Red Bull - Renault | Report |
| 7.0 | Canadian Grand Prix | Sebastian Vettel | Sebastian Vettel | Lewis Hamilton | McLaren - Mercedes | Report |
| 8.0 | European Grand Prix | Sebastian Vettel | Nico Rosberg | Fernando Alonso | Ferrari | Report |
| 9.0 | British Grand Prix | Fernando Alonso | Kimi Räikkönen | Mark Webber | Red Bull - Renault | Report |
| 10.0 | German Grand Prix | Fernando Alonso | Michael Schumacher | Fernando Alonso | Ferrari | Report |
| 11.0 | Hungarian Grand Prix | Lewis Hamilton | Sebastian Vettel | Lewis Hamilton | McLaren - Mercedes | Report |
| 12.0 | Belgian Grand Prix | Jenson Button | Bruno Senna | Jenson Button | McLaren - Mercedes | Report |
| 13.0 | Italian Grand Prix | Lewis Hamilton | Nico Rosberg | Lewis Hamilton | McLaren - Mercedes | Report |
| 14.0 | Singapore Grand Prix | Lewis Hamilton | Nico Hülkenberg | Sebastian Vettel | Red Bull - Renault | Report |
| 15.0 | Japanese Grand Prix | Sebastian Vettel | Sebastian Vettel | Sebastian Vettel | Red Bull - Renault | Report |
| 16.0 | Korean Grand Prix | Mark Webber | Mark Webber | Sebastian Vettel | Red Bull - Renault | Report |
| 17.0 | Indian Grand Prix | Sebastian Vettel | Jenson Button | Sebastian Vettel | Red Bull - Renault | Report |
| 18.0 | Abu Dhabi Grand Prix | Lewis Hamilton | Sebastian Vettel | Kimi Räikkönen | Lotus - Renault | Report |
| 19.0 | United States Grand Prix | Sebastian Vettel | Sebastian Vettel | Lewis Hamilton | McLaren - Mercedes | Report |
Question:
Who had the pole position in the Canadian Grand Prix? 
Answer:
Sebastian Vettel