Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_83 (grid INTEGER, laps VARCHAR, time_retired VARCHAR, driver VARCHAR)
### Question:
Tell me the lowest Grid for engine and driver of emerson fittipaldi with more laps than 70
### Answer:
SELECT MIN(grid) FROM table_name_83 WHERE time_retired = "engine" AND driver = "emerson fittipaldi" AND laps > 70