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_2897457_7 (nhl_team VARCHAR, pick__number VARCHAR)
### Question:
How many NHL teams have a pick number of 128?
### Answer:
SELECT COUNT(nhl_team) FROM table_2897457_7 WHERE pick__number = 128