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_7 (roll VARCHAR, name VARCHAR)
### Question:
What is the total number on roll for Shelly Park school?
### Answer:
SELECT COUNT(roll) FROM table_name_7 WHERE name = "shelly park school"