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:
| round | grand prix | date | location | pole position | fastest lap | winning driver | winning constructor | report |
| 1 | south african grand prix | 1 march | kyalami | nigel mansell | nigel mansell | nigel mansell | williams - renault | report |
| 2 | mexican grand prix | 22 march | hermanos rodrã­guez | nigel mansell | gerhard berger | nigel mansell | williams - renault | report |
| 3 | brazilian grand prix | 5 april | interlagos | nigel mansell | riccardo patrese | nigel mansell | williams - renault | report |
| 4 | spanish grand prix | 3 may | catalunya | nigel mansell | nigel mansell | nigel mansell | williams - renault | report |
| 5 | san marino grand prix | 17 may | imola | nigel mansell | riccardo patrese | nigel mansell | williams - renault | report |
| 6 | monaco grand prix | 31 may | monaco | nigel mansell | nigel mansell | ayrton senna | mclaren - honda | report |
| 7 | canadian grand prix | 14 june | circuit gilles villeneuve | ayrton senna | gerhard berger | gerhard berger | mclaren - honda | report |
| 8 | french grand prix | 5 july | magny - cours | nigel mansell | nigel mansell | nigel mansell | williams - renault | report |
| 9 | british grand prix | 12 july | silverstone | nigel mansell | nigel mansell | nigel mansell | williams - renault | report |
| 10 | german grand prix | 26 july | hockenheimring | nigel mansell | riccardo patrese | nigel mansell | williams - renault | report |
| 11 | hungarian grand prix | 16 august | hungaroring | riccardo patrese | nigel mansell | ayrton senna | mclaren - honda | report |
| 12 | belgian grand prix | 30 august | spa - francorchamps | nigel mansell | michael schumacher | michael schumacher | benetton - ford | report |
| 13 | italian grand prix | 13 september | monza | nigel mansell | nigel mansell | ayrton senna | mclaren - honda | report |
| 14 | portuguese grand prix | 27 september | estoril | nigel mansell | ayrton senna | nigel mansell | williams - renault | report |
| 15 | japanese grand prix | 25 october | suzuka | nigel mansell | nigel mansell | riccardo patrese | williams - renault | report |
| 16 | australian grand prix | 8 november | adelaide | nigel mansell | michael schumacher | gerhard berger | mclaren - honda | report |
Title:
1992 formula one season
Statement:
nigel mansell won half of the grand prix races
Answer:
refuted