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 | 7 April | Jacarepaguá | Michele Alboreto | Alain Prost | Alain Prost | McLaren - TAG | Report |
| Portuguese Grand Prix | 21 April | Estoril | Ayrton Senna | Ayrton Senna | Ayrton Senna | Lotus - Renault | Report |
| San Marino Grand Prix | 5 May | Imola | Ayrton Senna | Michele Alboreto | Elio de Angelis | Lotus - Renault | Report |
| Monaco Grand Prix | 19 May | Monaco | Ayrton Senna | Michele Alboreto | Alain Prost | McLaren - TAG | Report |
| Canadian Grand Prix | 16 June | Circuit Gilles Villeneuve | Elio de Angelis | Ayrton Senna | Michele Alboreto | Ferrari | Report |
| Detroit Grand Prix | 23 June | Detroit | Ayrton Senna | Ayrton Senna | Keke Rosberg | Williams - Honda | Report |
| French Grand Prix | 7 July | Paul Ricard | Keke Rosberg | Keke Rosberg | Nelson Piquet | Brabham - BMW | Report |
| British Grand Prix | 21 July | Silverstone | Keke Rosberg | Alain Prost | Alain Prost | McLaren - TAG | Report |
| German Grand Prix | 4 August | Nürburgring | Teo Fabi | Niki Lauda | Michele Alboreto | Ferrari | Report |
| Austrian Grand Prix | 18 August | Österreichring | Alain Prost | Alain Prost | Alain Prost | McLaren - TAG | Report |
| Dutch Grand Prix | 25 August | Zandvoort | Nelson Piquet | Alain Prost | Niki Lauda | McLaren - TAG | Report |
| Italian Grand Prix | 8 September | Monza | Ayrton Senna | Nigel Mansell | Alain Prost | McLaren - TAG | Report |
| Belgian Grand Prix | 15 September | Spa-Francorchamps | Alain Prost | Alain Prost | Ayrton Senna | Lotus - Renault | Report |
| European Grand Prix | 6 October | Brands Hatch | Ayrton Senna | Jacques Laffite | Nigel Mansell | Williams - Honda | Report |
| South African Grand Prix | 19 October | Kyalami | Nigel Mansell | Keke Rosberg | Nigel Mansell | Williams - Honda | Report |
| Australian Grand Prix | 3 November | Adelaide | Ayrton Senna | Keke Rosberg | Keke Rosberg | Williams - Honda | Report |
Question:
Who was the winner at spa-francorchamps?
Answer:
Ayrton Senna