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_85 (grid INTEGER, driver VARCHAR, fin_pos VARCHAR)
### Question:
What is the average grid for Marco Andretti with a finishing position higher than 19?
### Answer:
SELECT AVG(grid) FROM table_name_85 WHERE driver = "marco andretti" AND fin_pos > 19