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_72 (grid VARCHAR, time_retired VARCHAR)
### Question:
How many grids had a Time/Retired of +4 laps?
### Answer:
SELECT COUNT(grid) FROM table_name_72 WHERE time_retired = "+4 laps"