Who was the Law and Order series writer who also won the Television Silver Gavel Award at the American Bar Association Silver Gavel Awards for Media and the Arts for two consecutive years?
who refers to name; writer refers to role = 'writer'; won refers to result = 'Winner'; the Television refers to award = 'Television'; Silver Gavel Award refers to award_category = 'Silver Gavel Award'; the American Bar Association Silver Gavel Awards for Media and the Arts refers to organization = 'American Bar Association Silver Gavel Awards for Media and the Arts'
SELECT t3.name FROM ( SELECT DISTINCT T2.year AS years, T1.name, row_number() OVER (PARTITION BY T1.name ORDER BY T2.year) AS rm FROM Person AS T1 INNER JOIN Award AS T2 ON T1.person_id = T2.person_id WHERE T2.award = 'Television' AND T2.award_category = 'Silver Gavel Award' AND T2.series = 'Law and Order' AND T2.result = 'Winner' AND T2.organization = 'American Bar Association Silver Gavel Awards for Media and the Arts' ) AS T3 GROUP BY t3.name HAVING COUNT(t3.years - t3.rm) >= 2
database name:db_id law_episode
Episode table Episode Cols: episode id dtype text, series dtype text, season dtype integer, episode dtype integer, number in series dtype integer, title dtype text, summary dtype text, air date dtype date, episode image dtype text, rating dtype real, votes dtype integer, 
Keyword table Keyword Cols: episode id dtype text, keyword dtype text, 
Person table Person Cols: person id dtype text, name dtype text, birth date dtype date, birth name dtype text, birth place dtype text, birth region dtype text, birth country dtype text, height meters dtype real, nickname dtype text, 
Award table Award Cols: award id dtype integer, organization dtype text, year dtype integer, award category dtype text, award dtype text, series dtype text, episode id dtype text, person_id dtype text, role dtype text, result dtype text, 
Credit table Credit Cols: episode id dtype text, person id dtype text, category dtype text, role dtype text, credited dtype text, 
Vote table Vote Cols: episode id dtype text, stars dtype integer, votes dtype integer, percent dtype real, 
