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:
| Rnd | Race | Date | Location | Pole Position | Fastest Lap | Race Winner | Constructor | Report |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Brazilian Grand Prix | 25 March | Jacarepaguá | Elio de Angelis | Alain Prost | Alain Prost | McLaren - TAG | Report |
| 2.0 | South African Grand Prix | 7 April | Kyalami | Nelson Piquet | Patrick Tambay | Niki Lauda | McLaren - TAG | Report |
| 3.0 | Belgian Grand Prix | 29 April | Zolder | Michele Alboreto | René Arnoux | Michele Alboreto | Ferrari | Report |
| 4.0 | San Marino Grand Prix | 6 May | Imola | Nelson Piquet | Nelson Piquet | Alain Prost | McLaren - TAG | Report |
| 5.0 | French Grand Prix | 20 May | Dijon | Patrick Tambay | Alain Prost | Niki Lauda | McLaren - TAG | Report |
| 6.0 | Monaco Grand Prix | 3 June | Monaco | Alain Prost | Ayrton Senna | Alain Prost | McLaren - TAG | Report |
| 7.0 | Canadian Grand Prix | 17 June | Circuit Gilles Villeneuve | Nelson Piquet | Nelson Piquet | Nelson Piquet | Brabham - BMW | Report |
| 8.0 | Detroit Grand Prix | 24 June | Detroit | Nelson Piquet | Derek Warwick | Nelson Piquet | Brabham - BMW | Report |
| 9.0 | Dallas Grand Prix | 8 July | Dallas | Nigel Mansell | Niki Lauda | Keke Rosberg | Williams - Honda | Report |
| 10.0 | British Grand Prix | 22 July | Brands Hatch | Nelson Piquet | Niki Lauda | Niki Lauda | McLaren - TAG | Report |
| 11.0 | German Grand Prix | 5 August | Hockenheimring | Alain Prost | Alain Prost | Alain Prost | McLaren - TAG | Report |
| 12.0 | Austrian Grand Prix | 19 August | Österreichring | Nelson Piquet | Niki Lauda | Niki Lauda | McLaren - TAG | Report |
| 13.0 | Dutch Grand Prix | 26 August | Zandvoort | Alain Prost | René Arnoux | Alain Prost | McLaren - TAG | Report |
| 14.0 | Italian Grand Prix | 9 September | Monza | Nelson Piquet | Niki Lauda | Niki Lauda | McLaren - TAG | Report |
| 15.0 | European Grand Prix | 7 October | Nürburgring | Nelson Piquet | Nelson Piquet Michele Alboreto | Alain Prost | McLaren - TAG | Report |
Question:
How many rounds did Patrick Tambay record the fastest lap?
Answer:
1.0