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_84 (crowd INTEGER, home_team VARCHAR)
### Question:
What is the average amount of spectators when Essendon played as the home team?
### Answer:
SELECT AVG(crowd) FROM table_name_84 WHERE home_team = "essendon"