CREATE TABLE table_35599 ("Length of game" TEXT, "Date" TEXT, "Away team" TEXT, "Score" TEXT, "Home team" TEXT)

What was the length of the game where the Baltimore Colts were at home?
SELECT "Length of game" FROM table_35599 WHERE "Home team" = 'baltimore colts'
SELECT "Length of game" FROM "table_35599" WHERE "Home team" = 'baltimore colts'