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 | Grand Prix | Date | Location | Pole Position | Fastest Lap | Winning Driver | Winning Constructor | Report |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | South African Grand Prix | 14 March | Kyalami | Alain Prost | Alain Prost | Alain Prost | Williams - Renault | Report |
| 2.0 | Brazilian Grand Prix | 28 March | São Paulo | Alain Prost | Michael Schumacher | Ayrton Senna | McLaren - Ford | Report |
| 3.0 | European Grand Prix | 11 April | Donington | Alain Prost | Ayrton Senna | Ayrton Senna | McLaren - Ford | Report |
| 4.0 | San Marino Grand Prix | 25 April | Imola | Alain Prost | Alain Prost | Alain Prost | Williams - Renault | Report |
| 5.0 | Spanish Grand Prix | 9 May | Barcelona | Alain Prost | Michael Schumacher | Alain Prost | Williams - Renault | Report |
| 6.0 | Monaco Grand Prix | 23 May | Monaco | Alain Prost | Alain Prost | Ayrton Senna | McLaren - Ford | Report |
| 7.0 | Canadian Grand Prix | 13 June | Circuit Gilles Villeneuve | Alain Prost | Michael Schumacher | Alain Prost | Williams - Renault | Report |
| 8.0 | French Grand Prix | 4 July | Magny-Cours | Damon Hill | Michael Schumacher | Alain Prost | Williams - Renault | Report |
| 9.0 | British Grand Prix | 11 July | Silverstone | Alain Prost | Damon Hill | Alain Prost | Williams - Renault | Report |
| 10.0 | German Grand Prix | 25 July | Hockenheimring | Alain Prost | Michael Schumacher | Alain Prost | Williams - Renault | Report |
| 11.0 | Hungarian Grand Prix | 15 August | Hungaroring | Alain Prost | Alain Prost | Damon Hill | Williams - Renault | Report |
| 12.0 | Belgian Grand Prix | 29 August | Spa-Francorchamps | Alain Prost | Alain Prost | Damon Hill | Williams - Renault | Report |
| 13.0 | Italian Grand Prix | 12 September | Monza | Alain Prost | Damon Hill | Damon Hill | Williams - Renault | Report |
| 14.0 | Portuguese Grand Prix | 26 September | Estoril | Damon Hill | Damon Hill | Michael Schumacher | Benetton - Ford | Report |
| 15.0 | Japanese Grand Prix | 24 October | Suzuka | Alain Prost | Alain Prost | Ayrton Senna | McLaren - Ford | Report |
Question:
Which round was the Spanish Grand Prix?
Answer:
5.0