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_20 (city VARCHAR, host VARCHAR, region VARCHAR, state VARCHAR)
### Question:
What city in the east region in North Carolina was the round where the University of Richmond was the host?
### Answer:
SELECT city FROM table_name_20 WHERE region = "east" AND state = "north carolina" AND host = "university of richmond"