State the number of the "魅蓝Note 2" users who are in the "F29-32" group.
魅蓝Note 2 refers to device_model = '魅蓝Note 2';
SELECT COUNT(T2.device_id) FROM gender_age AS T1 INNER JOIN phone_brand_device_model2 AS T2 ON T1.device_id = T2.device_id WHERE T1.`group` = 'F29-32' AND T2.device_model = '魅蓝Note 2'