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_12784134_24 (perfect_stem VARCHAR, short_stem VARCHAR)
### Question:
Name the perfect stem for jo
### Answer:
SELECT COUNT(perfect_stem) FROM table_12784134_24 WHERE short_stem = "jo"