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_98 (mean INTEGER, drug VARCHAR, psychological_dependence VARCHAR)
### Question:
What is the average Mean, when Drug is "Alcohol", and when Psychological Dependence is greater than 1.9?
### Answer:
SELECT AVG(mean) FROM table_name_98 WHERE drug = "alcohol" AND psychological_dependence > 1.9