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 | Team | Laps | Time/Retired | Grid |
| --- | --- | --- | --- | --- |
| Michael Andretti | Target Chip Ganassi | 55.0 | 1:44:58.169 | 2.0 |
| Emerson Fittipaldi | Marlboro Marlboro Team Penske | 55.0 | +0.2 secs | 3.0 |
| Mario Andretti | Newman-Haas Racing | 55.0 | +7.3 secs | 19.0 |
| Jimmy Vasser | Hayhoe Racing | 55.0 | +38.6 secs | 10.0 |
| Stefan Johansson | Bettenhausen Motorsports | 55.0 | +1:03.1 secs | 12.0 |
| Maurício Gugelmin | Target Chip Ganassi | 55.0 | +1:22.6 secs | 7.0 |
| Teo Fabi | Jim Hall Racing | 54.0 | + 1 lap | 11.0 |
| Mike Groff | Rahal/Hogan Racing | 54.0 | + 1 lap | 14.0 |
| Nigel Mansell | Newman-Haas Racing | 54.0 | + 1 lap | 1.0 |
| Scott Goodyear | Budweiser King Racing | 53.0 | + 2 laps | 17.0 |
| Scott Sharp (R) | PacWest Racing Group | 53.0 | + 2 laps | 18.0 |
| Dominic Dobson | PacWest Racing Group | 52.0 | + 3 laps | 26.0 |
| Adrián Fernández | Galles Racing | 52.0 | + 3 laps | 4.0 |
| Al Unser, Jr. | Marlboro Team Penske | 51.0 | Electrical | 5.0 |
| Hiro Matsushita | Dick Simon Racing | 48.0 | + 7 laps | 22.0 |
| Paul Tracy | Marlboro Team Penske | 39.0 | Electrical | 6.0 |
| Jacques Villeneuve (R) | Forsythe / Green Racing | 36.0 | Contact | 3.0 |
| Willy T. Ribbs | Walker Racing | 34.0 | Contact | 22.0 |
| Davy Jones | A. J. Foyt Enterprises | 31.0 | Transmission | 25.0 |
| Robbie Buhl | Dale Coyne Racing | 30.0 | Oil pressure | 24.0 |
| Mark Smith | Walker Racing | 19.0 | Contact | 13.0 |
| Alessandro Zampedri (R) | Euromotorsport | 19.0 | Contact | 21.0 |
| Robby Gordon | Walker Racing | 16.0 | Contact | 9.0 |
| Gary Brabham (R) | Bettenhausen Motorsports | 10.0 | Transmission | 27.0 |
| Arie Luyendyk | Indy Regency Racing | 8.0 | Transmission | 15.0 |
| Bobby Rahal | Rahal/Hogan Racing | 0.0 | Contact | 16.0 |
| Raul Boesel | Dick Simon Racing | 0.0 | Contact | 20.0 |
Question:
What is the grid for the driver with an electrical time/retired and 51 laps?
Answer:
5.0