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_50 (grid INTEGER, time_retired VARCHAR)
### Question:
What was the highest grid for a time/retired of +19.1 secs?
### Answer:
SELECT MAX(grid) FROM table_name_50 WHERE time_retired = "+19.1 secs"