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_24856090_1 (average INTEGER, hk_viewers VARCHAR)
### Question:
What is the largest average for the episode with 1.97 million Hong Kong viewers?
### Answer:
SELECT MAX(average) FROM table_24856090_1 WHERE hk_viewers = "1.97 million"