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_261954_1 (joined VARCHAR, institution VARCHAR)
### Question:
How many values for joined occur at Guilford College?
### Answer:
SELECT COUNT(joined) FROM table_261954_1 WHERE institution = "Guilford College"