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 | 26 march | jacarepaguá | ayrton senna | riccardo patrese | nigel mansell | ferrari | report |
| san marino grand prix | 23 april | imola | ayrton senna | alain prost | ayrton senna | mclaren - honda | report |
| monaco grand prix | 7 may | monaco | ayrton senna | alain prost | ayrton senna | mclaren - honda | report |
| mexican grand prix | 28 may | hermanos rodríguez | ayrton senna | nigel mansell | ayrton senna | mclaren - honda | report |
| united states grand prix | 4 june | phoenix | ayrton senna | ayrton senna | alain prost | mclaren - honda | report |
| canadian grand prix | 18 june | circuit gilles villeneuve | alain prost | jonathan palmer | thierry boutsen | williams - renault | report |
| french grand prix | 9 july | paul ricard | alain prost | maurício gugelmin | alain prost | mclaren - honda | report |
| british grand prix | 16 july | silverstone | ayrton senna | nigel mansell | alain prost | mclaren - honda | report |
| german grand prix | 30 july | hockenheimring | ayrton senna | ayrton senna | ayrton senna | mclaren - honda | report |
| hungarian grand prix | 13 august | hungaroring | riccardo patrese | nigel mansell | nigel mansell | ferrari | report |
| belgian grand prix | 27 august | spa - francorchamps | ayrton senna | alain prost | ayrton senna | mclaren - honda | report |
| italian grand prix | 10 september | monza | ayrton senna | alain prost | alain prost | mclaren - honda | report |
| portuguese grand prix | 24 september | estoril | ayrton senna | gerhard berger | gerhard berger | ferrari | report |
| spanish grand prix | 1 october | jerez | ayrton senna | ayrton senna | ayrton senna | mclaren - honda | report |
| japanese grand prix | 22 october | suzuka | ayrton senna | alain prost | alessandro nannini | benetton - ford | report |
| australian grand prix | 5 november | adelaide | ayrton senna | satoru nakajima | thierry boutsen | williams - renault | report |
Title:
1989 formula one season
Statement:
alain prost was one of three drivers who held the pole position
Answer:
supported