What are the ages and genders of the LG L70 users?
LG L70 refers to phone_brand = 'LG' AND device_model = 'L70';
SELECT T2.age, T2.gender FROM phone_brand_device_model2 AS T1 INNER JOIN gender_age AS T2 ON T2.device_id = T1.device_id WHERE T1.phone_brand = 'LG' AND T1.device_model = 'L70'