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 table_name_5 (field_stability VARCHAR, agent VARCHAR, effectiveness_as_blood_agent VARCHAR)

### Question ###
What is the field stability of Cyanogen Bromide that has an effectiveness of 9?

### Accurate SQL ###

SELECT COUNT(field_stability) FROM table_name_5 WHERE agent = "cyanogen bromide" AND effectiveness_as_blood_agent > 9