Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE Attribute_Definitions (attribute_data_type VARCHAR, attribute_name VARCHAR)

### Question ###
What is the attribute data type of the attribute with name "Green"?

### Accurate SQL ###

SELECT attribute_data_type FROM Attribute_Definitions WHERE attribute_name = "Green"