Who was the home team when Boston is the road team in game 4?
CREATE TABLE table_48817 (
    "Game" text,
    "Date" text,
    "Home Team" text,
    "Result" text,
    "Road Team" text
)
SELECT "Home Team" FROM table_48817 WHERE "Road Team" = 'boston' AND "Game" = 'game 4'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who was the home team when Boston is the road team in game 4? ### Input: CREATE TABLE table_48817 (
    "Game" text,
    "Date" text,
    "Home Team" text,
    "Result" text,
    "Road Team" text
) ### Response: SELECT "Home Team" FROM table_48817 WHERE "Road Team" = 'boston' AND "Game" = 'game 4'