What is the journal id of Anna Powierza?
select t3.journal_id from journal_committee as t1 join editor as t2 on t1.editor_id = t2.editor_id join journal as t3 on t1.journal_id = t3.journal_id where t2.name = "Anna Powierza"
What are the work type of Kamila Porczyk?
select t1.work_type from journal_committee as t1 join editor as t2 on t1.editor_id = t2.editor_id join journal as t3 on t1.journal_id = t3.journal_id where t2.name = "Kamila Porczyk"