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:
| race | date | location | pole position | fastest lap | race winner | constructor | report |
| brazilian grand prix | 13 march | jacarepaguá | keke rosberg | nelson piquet | nelson piquet | brabham - bmw | report |
| united states grand prix west | 27 march | long beach | patrick tambay | niki lauda | john watson | mclaren - ford | report |
| french grand prix | 17 april | paul ricard | alain prost | alain prost | alain prost | renault | report |
| san marino grand prix | 1 may | imola | rené arnoux | riccardo patrese | patrick tambay | ferrari | report |
| monaco grand prix | 15 may | monaco | alain prost | nelson piquet | keke rosberg | williams - ford | report |
| belgian grand prix | 22 may | spa - francorchamps | alain prost | andrea de cesaris | alain prost | renault | report |
| detroit grand prix | 5 june | detroit | rené arnoux | john watson | michele alboreto | tyrrell - ford | report |
| canadian grand prix | 12 june | circuit gilles villeneuve | rené arnoux | patrick tambay | rené arnoux | ferrari | report |
| british grand prix | 16 july | silverstone | rené arnoux | alain prost | alain prost | renault | report |
| german grand prix | 7 august | hockenheimring | patrick tambay | rené arnoux | rené arnoux | ferrari | report |
| austrian grand prix | 14 august | österreichring | patrick tambay | alain prost | alain prost | renault | report |
| dutch grand prix | 28 august | zandvoort | nelson piquet | rené arnoux | rené arnoux | ferrari | report |
| italian grand prix | 11 september | monza | riccardo patrese | nelson piquet | nelson piquet | brabham - bmw | report |
| european grand prix | 25 september | brands hatch | elio de angelis | nigel mansell | nelson piquet | brabham - bmw | report |
| south african grand prix | 15 october | kyalami | patrick tambay | nelson piquet | riccardo patrese | brabham - bmw | report |
Title:
1983 formula one season
Statement:
alain prost held the pole position at the spa - francorchamps
Answer:
supported