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_90 (capacity INTEGER, average VARCHAR, highest VARCHAR)
### Question:
What is the high capacity that has an average under 489 and a highest over 778?
### Answer:
SELECT MAX(capacity) FROM table_name_90 WHERE average < 489 AND highest > 778