SELECT avg(T1.salary) FROM salary AS T1 JOIN team AS T2 ON T1.team_id  =  T2.team_id_br WHERE T2.name  = 'Boston Red Stockings'
What is average salary of the players in the team named 'Boston Red Stockings' ?
SELECT avg ( T1.salary ) FROM salary AS T1 JOIN team AS T2 ON T1.team_id = T2.team_id_br WHERE T2.name = 'Boston Red Stockings '
select avg ( t1 . salary ) from salary as t1 join team as t2 on t1 . team_id = t2 . team_id_br where t2 . name = value
What is average salary of the players in the team named 'Boston Red Stockings ' ?