CREATE TABLE table_name_98 (mean INT, drug VARCHAR, psychological_dependence VARCHAR)

What is the average Mean, when Drug is 'Alcohol', and when Psychological Dependence is greater than 1.9?
SELECT AVG(mean) FROM table_name_98 WHERE drug = "alcohol" AND psychological_dependence > 1.9
SELECT AVG("mean") FROM "table_name_98" WHERE "alcohol" = "drug" AND "psychological_dependence" > 1.9