Write SQL query to solve given problem: List down the MapLight ID of the representatives in Maine.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.maplight_id FROM historical AS T1 INNER JOIN `historical-terms` AS T2 ON T1.bioguide_id = T2.bioguide WHERE T2.type = 'rep' AND T2.state = 'ME' GROUP BY T1.maplight_id