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_21 (manhattan VARCHAR, richmond_ VARCHAR, staten_is VARCHAR)
### Question:
Which Manhattan number appeared when Richmond (Staten Island) was 78%?
### Answer:
SELECT manhattan FROM table_name_21 WHERE richmond_[staten_is] = "78%"