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_9904 ( "Generation" text, "Birthday" text, "Birthplace" text, "Blood Type" text, "Agency" text )

### Question ###
What's the blood type of the member from the vision factory agency?

### Accurate SQL ###

SELECT "Blood Type" FROM table_9904 WHERE "Agency" = 'vision factory'