How many schools did Derrick Green attend?
CREATE TABLE table_11677691_11 (school VARCHAR, player VARCHAR)
SELECT COUNT(school) FROM table_11677691_11 WHERE player = "Derrick Green"
### Context: CREATE TABLE table_11677691_11 (school VARCHAR, player VARCHAR) ### Question: How many schools did Derrick Green attend? ### Answer: SELECT COUNT(school) FROM table_11677691_11 WHERE player = "Derrick Green"