Can you calculate the total salary paid by team Boston Red Stockings in 2010?
SELECT sum ( T1.salary )  FROM salary AS T1 JOIN team AS T2 ON T1.team_id  =  T2.team_id_br WHERE T2.name  =  'Boston Red Stockings' AND T1.year  =  2010
total salary = SUM(salary); paid by team = JOIN on team_id and filtering by team name; for the year 2010 refers to filtering by year = 2010;