The Boston Red Stockings.
select count ( * ) from salary as t1 join team as t2 on t1.team_id = t2.team_id_br where t2.name = 'Boston red Stockings'
How many in the year 2000?
select count ( * ) 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 = 2000
What was the total salary of those players?
select sum ( 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 = 2000