Question: Among the subscribers who rented a bike from South Van Ness at Market on 12/1/2013, whose duration was the shortest and to which station was the bike returned to? Indicate South Van Ness's dock count.
SQL: SELECT MIN(T2.duration), T2.end_station_name, COUNT(T2.start_station_name) FROM station AS T1 INNER JOIN trip AS T2 ON T2.start_station_name = T1.name WHERE T2.start_date LIKE '12/1/2013%' AND T2.start_station_name = 'South Van Ness at Market' AND T2.subscription_type = 'Subscriber'