SELECT "Grid" FROM table_44913 WHERE "Time/Retired" = 'electrical' AND "Laps" = '51'
What is the grid for the driver with an electrical time/retired and 51 laps?
CREATE TABLE table_44913 (
    "Driver" text,
    "Team" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
)