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_74 (visitor VARCHAR, home VARCHAR, date VARCHAR)
### Question:
Name the Visitor that has a Home of chicago black hawks on april 20?
### Answer:
SELECT visitor FROM table_name_74 WHERE home = "chicago black hawks" AND date = "april 20"