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_1784514_1 (number_of_powiats VARCHAR, capital VARCHAR)
### Question:
How many powiats have mstsislaw as a capital?
### Answer:
SELECT number_of_powiats FROM table_1784514_1 WHERE capital = "Mstsislaw"