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_60 (grid INTEGER, time VARCHAR)
### Question:
What is the sum of Grid, when Time is "+16.687"?
### Answer:
SELECT SUM(grid) FROM table_name_60 WHERE time = "+16.687"