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_22670216_1 (rnd VARCHAR, location VARCHAR, pole_position VARCHAR)
### Question:
If the location is Brooklyn, Michigan and the pole position is Bobby Unser, what is the RND total number?
### Answer:
SELECT COUNT(rnd) FROM table_22670216_1 WHERE location = "Brooklyn, Michigan" AND pole_position = "Bobby Unser"