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:
| driver | constructor | laps | time / retired | grid |
| gerhard berger | benetton - bmw | 68 | 1:33:18.700 | 4 |
| alain prost | mclaren - tag | 68 | + 25.438 | 6 |
| ayrton senna | lotus - renault | 68 | + 52.513 | 1 |
| nelson piquet | williams - honda | 67 | + 1 lap | 2 |
| nigel mansell | williams - honda | 67 | + 1 lap | 3 |
| philippe alliot | ligier - renault | 67 | + 1 lap | 10 |
| thierry boutsen | arrows - bmw | 66 | + 2 laps | 21 |
| andrea de cesaris | minardi - motori moderni | 66 | + 2 laps | 22 |
| christian danner | arrows - bmw | 66 | + 2 laps | 20 |
| jonathan palmer | zakspeed | 65 | out of fuel | 18 |
| martin brundle | tyrrell - renault | 65 | + 3 laps | 16 |
| stefan johansson | ferrari | 64 | turbo | 14 |
| riccardo patrese | brabham - bmw | 64 | spun off | 5 |
| alessandro nannini | minardi - motori moderni | 64 | + 4 laps | 24 |
| renã arnoux | ligier - renault | 63 | engine | 13 |
| allen berg | osella - alfa romeo | 61 | + 7 laps | 26 |
| johnny dumfries | lotus - renault | 53 | electrical | 17 |
| derek warwick | brabham - bmw | 37 | engine | 7 |
| alan jones | lola - ford | 35 | tyre | 15 |
| keke rosberg | mclaren - tag | 32 | puncture | 11 |
| michele alboreto | ferrari | 10 | turbo | 12 |
| piercarlo ghinzani | osella - alfa romeo | 8 | turbo | 25 |
| philippe streiff | tyrrell - renault | 8 | turbo | 19 |
| teo fabi | benetton - bmw | 4 | engine | 9 |
| patrick tambay | lola - ford | 0 | accident | 8 |
Title:
1986 mexican grand prix
Statement:
arrows - bmw is the constructor when the laps is less than 68 , the grid is more than 20 and the driver is johnny dumfries
Answer:
refuted