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:
| No | Date | Round | Circuit | Pole Position | Fastest Lap | Race Winner | Report |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | 23 February | Qatar | Losail | Fabien Foret | Fabien Foret | Broc Parkes | Report |
| 2.0 | 2 March | Australia | Phillip Island | Andrew Pitt | Robbin Harms | Andrew Pitt | Report |
| 3.0 | 6 April | Spain | Valencia | Andrew Pitt | Broc Parkes | Joan Lascorz | Report |
| 4.0 | 27 April | Netherlands | Assen | Broc Parkes | Gianluca Vizziello | Andrew Pitt | Report |
| 5.0 | 11 May | Italy | Monza | Broc Parkes | Fabien Foret | Fabien Foret | Report |
| 6.0 | 15 June | Germany | Nürburgring | Broc Parkes | Broc Parkes | Andrew Pitt | Report |
| 7.0 | 29 June | San Marino | Misano | Broc Parkes | Broc Parkes | Andrew Pitt | Report |
| 8.0 | 20 July | Czech Republic | Brno | Broc Parkes | Andrew Pitt | Jonathan Rea | Report |
| 9.0 | 3 August | Great Britain | Brands Hatch | Matthieu Lagrive | Andrew Pitt | Jonathan Rea | Report |
| 10.0 | 7 September | Europe | Donington Park | Matthieu Lagrive | Josh Brookes | Josh Brookes | Report |
| 11.0 | 21 September | Italy | Vallelunga | Broc Parkes | Broc Parkes | Jonathan Rea | Report |
| 12.0 | 5 October | France | Magny-Cours | Broc Parkes | Broc Parkes | Andrew Pitt | Report |
Question:
Which round was the circuit Assen
Answer:
Netherlands