For the year 1975, what is Propulsion, with a Number (quantity ordered) of 4756-4788 (33 buses)?
CREATE TABLE table_38824 (
    "Make/ Model" text,
    "Length" text,
    "Year" real,
    "Numbers (Quantity Ordered)" text,
    "Fuel Propulsion" text,
    "Year Retired" text
)
SELECT "Fuel Propulsion" FROM table_38824 WHERE "Year" = '1975' AND "Numbers (Quantity Ordered)" = '4756-4788 (33 buses)'
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: For the year 1975, what is Propulsion, with a Number (quantity ordered) of 4756-4788 (33 buses)? ### Input: CREATE TABLE table_38824 (
    "Make/ Model" text,
    "Length" text,
    "Year" real,
    "Numbers (Quantity Ordered)" text,
    "Fuel Propulsion" text,
    "Year Retired" text
) ### Response: SELECT "Fuel Propulsion" FROM table_38824 WHERE "Year" = '1975' AND "Numbers (Quantity Ordered)" = '4756-4788 (33 buses)'