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_31 (grid INTEGER, driver VARCHAR, laps VARCHAR)
### Question:
What is the grid total for ralf schumacher racing over 53 laps?
### Answer:
SELECT SUM(grid) FROM table_name_31 WHERE driver = "ralf schumacher" AND laps > 53