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_21632864_1 (fourth_place VARCHAR, regional VARCHAR)
### Question:
how many persons got the fourth position when the regional was shikoku?
### Answer:
SELECT COUNT(fourth_place) FROM table_21632864_1 WHERE regional = "Shikoku"