When 7th bw attached to 43rd sw is the unit what is the b-52 model?
CREATE TABLE table_73073 (
    "Date" text,
    "B-52 Model" text,
    "Serial #" text,
    "Unit" text,
    "Bomb Capacity" text,
    "Mission/Target" text,
    "Cause of Loss" text
)
SELECT "B-52 Model" FROM table_73073 WHERE "Unit" = '7th BW attached to 43rd SW'
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: When 7th bw attached to 43rd sw is the unit what is the b-52 model? ### Input: CREATE TABLE table_73073 (
    "Date" text,
    "B-52 Model" text,
    "Serial #" text,
    "Unit" text,
    "Bomb Capacity" text,
    "Mission/Target" text,
    "Cause of Loss" text
) ### Response: SELECT "B-52 Model" FROM table_73073 WHERE "Unit" = '7th BW attached to 43rd SW'