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_13 (pop_¹ INTEGER, prefecture VARCHAR)
### Question:
Name the sum of pop for shizuoka
### Answer:
SELECT SUM(pop_¹) FROM table_name_13 WHERE prefecture = "shizuoka"