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_70 (crowd INTEGER, home_team VARCHAR)
### Question:
What was the crowd when Melbourne was the home team?
### Answer:
SELECT AVG(crowd) FROM table_name_70 WHERE home_team = "melbourne"