Database: journal_committee
Question: Show the names of editors that are on the committee of journals with sales bigger than 3000.
SQL:
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