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 | Benetton - Renault | 45.0 | 1:22:56.043 | 2.0 |
| David Coulthard | Williams - Renault | 45.0 | +5.988 | 3.0 |
| Gerhard Berger | Ferrari | 45.0 | +1:08.097 | 4.0 |
| Johnny Herbert | Benetton - Renault | 45.0 | +1:23.436 | 9.0 |
| Jean-Christophe Boullion | Sauber - Ford | 44.0 | +1 lap | 14.0 |
| Aguri Suzuki | Ligier - Mugen-Honda | 44.0 | +1 lap | 18.0 |
| Ukyo Katayama | Tyrrell - Yamaha | 44.0 | +1 lap | 17.0 |
| Andrea Montermini | Pacific - Ford | 42.0 | +3 laps | 23.0 |
| Eddie Irvine | Jordan - Peugeot | 41.0 | Throttle | 6.0 |
| Mika Häkkinen | McLaren - Mercedes | 33.0 | Engine | 7.0 |
| Heinz-Harald Frentzen | Sauber - Ford | 32.0 | Engine | 11.0 |
| Luca Badoer | Minardi - Ford | 28.0 | Oil Leak | 16.0 |
| Giovanni Lavaggi | Pacific - Ford | 27.0 | Gearbox | 24.0 |
| Roberto Moreno | Forti - Ford | 27.0 | Halfshaft | 22.0 |
| Rubens Barrichello | Jordan - Peugeot | 20.0 | Engine | 5.0 |
| Mark Blundell | McLaren - Mercedes | 17.0 | Engine | 8.0 |
| Olivier Panis | Ligier - Mugen-Honda | 13.0 | Water Leak | 12.0 |
| Jean Alesi | Ferrari | 12.0 | Engine | 10.0 |
| Pierluigi Martini | Minardi - Ford | 11.0 | Engine | 20.0 |
| Taki Inoue | Footwork - Hart | 9.0 | Gearbox | 19.0 |
| Pedro Diniz | Forti - Ford | 8.0 | Brakes | 21.0 |
| Damon Hill | Williams - Renault | 1.0 | Halfshaft/Spun Off | 1.0 |
| Mika Salo | Tyrrell - Yamaha | 0.0 | Clutch | 13.0 |
| Massimiliano Papis | Footwork - Hart | 0.0 | Gearbox | 15.0 |
Question:
Which constructor has a Grid smaller than 18, and a Driver of mika häkkinen?
Answer:
McLaren - Mercedes