human
Schema:
journal (Journal_ID, Date, Theme, Sales)
editor (Editor_ID, Name, Age)
journal_committee (Editor_ID, Journal_ID, Work_Type)
Please answer with SQL.
assistant
Sure, I understand.
human
Tell me Anna Powierza's journal's themes.
assistant
SELECT T3.Theme 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';
human
How about her sales?
assistant
SELECT T3.Sales 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';
human
What are the names of editors that are on the committee of journals with sales bigger than 3000?
assistant
SELECT T2.Name 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 T3.Sales > 3000 ;