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:
| Round | Round | Country | Circuit | Date | Pole Position | Fastest Lap | Winning Rider | Winning Team | Report |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | R1 | Qatar | Losail | 23 February | Troy Corser | Noriyuki Haga | Troy Bayliss | Xerox Ducati | Report |
| 1 | R2 | Qatar | Losail | 23 February | Troy Corser | Fonsi Nieto | Fonsi Nieto | Alstare Suzuki | Report |
| 2 | R1 | Australia | Phillip Island | 2 March | Troy Bayliss | Troy Bayliss | Troy Bayliss | Xerox Ducati | Report |
| 2 | R2 | Australia | Phillip Island | 2 March | Troy Bayliss | Max Biaggi | Troy Bayliss | Xerox Ducati | Report |
| 3 | R1 | Spain | Valencia | 6 April | Max Neukirchner | Noriyuki Haga | Lorenzo Lanzi | Team R.G | Report |
| 3 | R2 | Spain | Valencia | 6 April | Max Neukirchner | Carlos Checa | Noriyuki Haga | Yamaha Motor Italia | Report |
| 4 | R1 | Netherlands | Assen | 27 April | Troy Bayliss | Max Neukirchner | Troy Bayliss | Xerox Ducati | Report |
| 4 | R2 | Netherlands | Assen | 27 April | Troy Bayliss | Troy Bayliss | Troy Bayliss | Xerox Ducati | Report |
| 5 | R1 | Italy | Monza | 11 May | Troy Bayliss | Noriyuki Haga | Max Neukirchner | Alstare Suzuki | Report |
| 5 | R2 | Italy | Monza | 11 May | Troy Bayliss | Noriyuki Haga | Noriyuki Haga | Yamaha Motor Italia | Report |
| 6 | R1 | United States | Miller Motorsports Park | 1 June | Carlos Checa | Carlos Checa | Carlos Checa | Ten Kate Honda | Report |
| 6 | R2 | United States | Miller Motorsports Park | 1 June | Carlos Checa | Carlos Checa | Carlos Checa | Ten Kate Honda | Report |
| 7 | R1 | Germany | Nürburgring | 15 June | Max Neukirchner | Troy Bayliss | Noriyuki Haga | Yamaha Motor Italia | Report |
| 7 | R2 | Germany | Nürburgring | 15 June | Max Neukirchner | Noriyuki Haga | Noriyuki Haga | Yamaha Motor Italia | Report |
| 8 | R1 | San Marino | Misano Adriatico | 29 June | Troy Corser | Jakub Smrž | Max Neukirchner | Alstare Suzuki | Report |
| 8 | R2 | San Marino | Misano Adriatico | 29 June | Troy Corser | Troy Corser | Rubén Xaus | Sterilgarda Go Eleven | Report |
| 9 | R1 | Czech Republic | Brno | 20 July | Troy Bayliss | Troy Bayliss | Troy Bayliss | Xerox Ducati | Report |
| 9 | R2 | Czech Republic | Brno | 20 July | Troy Bayliss | Michel Fabrizio | Troy Bayliss | Xerox Ducati | Report |
| 10 | R1 | Great Britain | Brands Hatch | 3 August | Troy Bayliss | Ryuichi Kiyonari | Ryuichi Kiyonari | Ten Kate Honda | Report |
| 10 | R2 | Great Britain | Brands Hatch | 3 August | Troy Bayliss | Michel Fabrizio | Ryuichi Kiyonari | Ten Kate Honda | Report |
| 11 | R1 | Europe | Donington Park | 7 September | Troy Bayliss | Troy Bayliss | Troy Bayliss | Xerox Ducati | Report |
| 11 | R2 | Europe | Donington Park | 7 September | Troy Bayliss | James Ellison | Ryuichi Kiyonari | Ten Kate Honda | Report |
| 12 | R1 | Italy | Vallelunga | 21 September | Troy Bayliss | Carlos Checa | Noriyuki Haga | Yamaha Motor Italia | Report |
| 12 | R2 | Italy | Vallelunga | 21 September | Troy Bayliss | Troy Corser | Noriyuki Haga | Yamaha Motor Italia | Report |
| 13 | R1 | France | Magny-Cours | 5 October | Noriyuki Haga | Carlos Checa | Noriyuki Haga | Yamaha Motor Italia | Report |
| 13 | R2 | France | Magny-Cours | 5 October | Noriyuki Haga | Troy Bayliss | Troy Bayliss | Xerox Ducati | Report |
| 14 | R1 | Portugal | Portimão | 2 November | Troy Bayliss | Troy Bayliss | Troy Bayliss | Xerox Ducati | Report |
| 14 | R2 | Portugal | Portimão | 2 November | Troy Bayliss | Troy Bayliss | Troy Bayliss | Xerox Ducati | Report |
Question:
how many rounds are there in this season?
Answer:
28