Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:

Convert text to sql: Find the id of users who are followed by Mary and Susan. | follows : f1 , f2 | tweets : id , uid , text , createdate | user_profiles : uid , name , email , partitionid , followers | follows.f2 = user_profiles.uid | follows.f1 = user_profiles.uid | tweets.uid = user_profiles.uid | 

### Response:

select _ from _ where _ intersect select _ from _ where _ | select follows.f1 from user_profiles join follows on user_profiles.uid = follows.f2 where user_profiles.name = 'Mary' intersect select follows.f1 from user_profiles join follows on user_profiles.uid = follows.f2 where user_profiles.name = 'Susan'