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:
| Race | Date | Location | Pole Position | Fastest Lap | Race Winner | Constructor | Report |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Brazilian Grand Prix | 25 March | Jacarepaguá | Elio de Angelis | Alain Prost | Alain Prost | McLaren - TAG | Report |
| South African Grand Prix | 7 April | Kyalami | Nelson Piquet | Patrick Tambay | Niki Lauda | McLaren - TAG | Report |
| Belgian Grand Prix | 29 April | Zolder | Michele Alboreto | René Arnoux | Michele Alboreto | Ferrari | Report |
| San Marino Grand Prix | 6 May | Imola | Nelson Piquet | Nelson Piquet | Alain Prost | McLaren - TAG | Report |
| French Grand Prix | 20 May | Dijon | Patrick Tambay | Alain Prost | Niki Lauda | McLaren - TAG | Report |
| Monaco Grand Prix | 3 June | Monaco | Alain Prost | Ayrton Senna | Alain Prost | McLaren - TAG | Report |
| Canadian Grand Prix | 17 June | Circuit Gilles Villeneuve | Nelson Piquet | Nelson Piquet | Nelson Piquet | Brabham - BMW | Report |
| Detroit Grand Prix | 24 June | Detroit | Nelson Piquet | Derek Warwick | Nelson Piquet | Brabham - BMW | Report |
| Dallas Grand Prix | 8 July | Dallas | Nigel Mansell | Niki Lauda | Keke Rosberg | Williams - Honda | Report |
| British Grand Prix | 22 July | Brands Hatch | Nelson Piquet | Niki Lauda | Niki Lauda | McLaren - TAG | Report |
| German Grand Prix | 5 August | Hockenheimring | Alain Prost | Alain Prost | Alain Prost | McLaren - TAG | Report |
| Austrian Grand Prix | 19 August | Österreichring | Nelson Piquet | Niki Lauda | Niki Lauda | McLaren - TAG | Report |
| Dutch Grand Prix | 26 August | Zandvoort | Alain Prost | René Arnoux | Alain Prost | McLaren - TAG | Report |
| Italian Grand Prix | 9 September | Monza | Nelson Piquet | Niki Lauda | Niki Lauda | McLaren - TAG | Report |
| European Grand Prix | 7 October | Nürburgring | Nelson Piquet | Nelson Piquet Michele Alboreto | Alain Prost | McLaren - TAG | Report |
| Portuguese Grand Prix | 21 October | Estoril | Nelson Piquet | Niki Lauda | Alain Prost | McLaren - TAG | Report |
Question:
What was the Constructor for the race that had Derek Warwick as its Fastest Lap?
Answer:
Brabham - BMW