What is the sum of Grid, when Time is '+16.687'?
CREATE TABLE table_name_60 (
    grid INTEGER,
    time VARCHAR
)
SELECT SUM(grid) FROM table_name_60 WHERE time = "+16.687"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the sum of Grid, when Time is '+16.687'? ### Input: CREATE TABLE table_name_60 (
    grid INTEGER,
    time VARCHAR
) ### Response: SELECT SUM(grid) FROM table_name_60 WHERE time = "+16.687"