Database: imdb
Question: Who acts " Olivia Pope " in the series Scandal ?
SQL:
SELECT t1.name FROM CAST AS t3 JOIN actor AS t1 ON t3.aid  =  t1.aid JOIN tv_series AS t2 ON t2.sid  =  t3.msid WHERE t3.role  =  "Olivia Pope" AND t2.title  =  "Scandal";