Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| grand prix | date | location | pole position | fastest lap | winning driver | constructor | report |
| brazilian grand prix | 12 april | jacarepaguá | nigel mansell | nelson piquet | alain prost | mclaren - tag | report |
| san marino grand prix | 3 may | imola | ayrton senna | teo fabi | nigel mansell | williams - honda | report |
| belgian grand prix | 17 may | spa - francorchamps | nigel mansell | alain prost | alain prost | mclaren - tag | report |
| monaco grand prix | 31 may | monaco | nigel mansell | ayrton senna | ayrton senna | lotus - honda | report |
| detroit grand prix | 21 june | detroit | nigel mansell | ayrton senna | ayrton senna | lotus - honda | report |
| french grand prix | 5 july | paul ricard | nigel mansell | nelson piquet | nigel mansell | williams - honda | report |
| british grand prix | 12 july | silverstone | nelson piquet | nigel mansell | nigel mansell | williams - honda | report |
| german grand prix | 26 july | hockenheimring | nigel mansell | nigel mansell | nelson piquet | williams - honda | report |
| hungarian grand prix | 9 august | hungaroring | nigel mansell | nelson piquet | nelson piquet | williams - honda | report |
| austrian grand prix | 16 august | österreichring | nelson piquet | nigel mansell | nigel mansell | williams - honda | report |
| italian grand prix | 6 september | monza | nelson piquet | ayrton senna | nelson piquet | williams - honda | report |
| portuguese grand prix | 20 september | estoril | gerhard berger | gerhard berger | alain prost | mclaren - tag | report |
| spanish grand prix | 27 september | jerez | nelson piquet | gerhard berger | nigel mansell | williams - honda | report |
| mexican grand prix | 18 october | hermanos rodríguez | nigel mansell | nelson piquet | nigel mansell | williams - honda | report |
| japanese grand prix | 1 november | suzuka | gerhard berger | alain prost | gerhard berger | ferrari | report |
| australian grand prix | 15 november | adelaide | gerhard berger | gerhard berger | gerhard berger | ferrari | report |
Title:
1987 formula one season
Statement:
alain prost was the winning driver two times before 31 may
Answer:
supported