Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Driver | Constructor | Laps | Time/Retired | Grid |
| --- | --- | --- | --- | --- |
| Michael Schumacher | Ferrari | 65.0 | 1:31:03.305 | 1.0 |
| Juan Pablo Montoya | Williams - BMW | 65.0 | +40.738 | 12.0 |
| Jacques Villeneuve | BAR - Honda | 65.0 | +49.626 | 7.0 |
| Jarno Trulli | Jordan - Honda | 65.0 | +51.253 | 6.0 |
| David Coulthard | McLaren - Mercedes | 65.0 | +51.616 | 3.0 |
| Nick Heidfeld | Sauber - Petronas | 65.0 | +1:01.893 | 10.0 |
| Olivier Panis | BAR - Honda | 65.0 | +1:04.977 | 11.0 |
| Kimi Räikkönen | Sauber - Petronas | 65.0 | +1:19.808 | 9.0 |
| Mika Häkkinen | McLaren - Mercedes | 64.0 | Clutch | 2.0 |
| Jean Alesi | Prost - Acer | 64.0 | +1 Lap | 15.0 |
| Luciano Burti | Prost - Acer | 64.0 | +1 Lap | 14.0 |
| Jos Verstappen | Arrows - Asiatech | 63.0 | +2 Laps | 17.0 |
| Fernando Alonso | Minardi - European | 63.0 | +2 Laps | 18.0 |
| Giancarlo Fisichella | Benetton - Renault | 63.0 | +2 Laps | 19.0 |
| Jenson Button | Benetton - Renault | 62.0 | +3 Laps | 21.0 |
| Tarso Marques | Minardi - European | 62.0 | +3 Laps | 22.0 |
| Rubens Barrichello | Ferrari | 49.0 | Suspension | 4.0 |
| Eddie Irvine | Jaguar - Cosworth | 48.0 | Engine | 13.0 |
| Ralf Schumacher | Williams - BMW | 20.0 | Brakes | 5.0 |
| Enrique Bernoldi | Arrows - Asiatech | 8.0 | Fuel Pressure | 16.0 |
| Pedro de la Rosa | Jaguar - Cosworth | 5.0 | Collision | 20.0 |
| Heinz-Harald Frentzen | Jordan - Honda | 5.0 | Collision | 8.0 |
Question:
Who built the under grid 6 car with under 49 laps?
Answer:
Williams - BMW