How many home games did the team  Boston Red Stockings play from 1990 to 2000 in total?
SELECT sum ( T1.games )  FROM home_game AS T1 JOIN team AS T2 ON T1.team_id  =  T2.team_id_br WHERE T2.name  =  'Boston Red Stockings' AND T1.year BETWEEN 1990 AND 2000
home games played by the team refers to sum(T1.games); team name is 'Boston Red Stockings'; time period is from 1990 to 2000;