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_28180840_15 (act VARCHAR, name_name_of_act VARCHAR)
### Question:
What is the total number of modern grannies performed?
### Answer:
SELECT COUNT(act) FROM table_28180840_15 WHERE name_name_of_act = "Modern Grannies"