Who is the winner of the Best Television Episode award for the Edgar category in 2000? Include his or her name and role.
the Best Television Episode award refers to award = 'Best Television Episode'; the Edgar category refers to award_category = 'Edgar'; in 2000 refers to year = 2000
SELECT T1.name, T2.role FROM Person AS T1 INNER JOIN Award AS T2 ON T1.person_id = T2.person_id WHERE T2.year = 2000 AND T2.award_category = 'Edgar' AND T2.award = 'Best Television Episode'