Which Opponent has a Series of bruins lead 2 1?
CREATE TABLE table_name_91 (
    opponent VARCHAR,
    series VARCHAR
)
SELECT opponent FROM table_name_91 WHERE series = "bruins lead 2–1"
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: Which Opponent has a Series of bruins lead 2 1? ### Input: CREATE TABLE table_name_91 (
    opponent VARCHAR,
    series VARCHAR
) ### Response: SELECT opponent FROM table_name_91 WHERE series = "bruins lead 2–1"