Location of boston garden, and a Record of 58-23 involved what opponent?
CREATE TABLE table_5184 (
    "Game" real,
    "Date" text,
    "Opponent" text,
    "Score" text,
    "Location" text,
    "Record" text
)
SELECT "Opponent" FROM table_5184 WHERE "Location" = 'boston garden' AND "Record" = '58-23'
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: Location of boston garden, and a Record of 58-23 involved what opponent? ### Input: CREATE TABLE table_5184 (
    "Game" real,
    "Date" text,
    "Opponent" text,
    "Score" text,
    "Location" text,
    "Record" text
) ### Response: SELECT "Opponent" FROM table_5184 WHERE "Location" = 'boston garden' AND "Record" = '58-23'