What is Mean Free Path, when Vacuum Range is 'medium vacuum'?
CREATE TABLE table_43602 (
    "Vacuum range" text,
    "Pressure in hPa (mbar)" text,
    "Molecules / cm 3" text,
    "Molecules / m 3" text,
    "Mean free path" text
)
SELECT "Mean free path" FROM table_43602 WHERE "Vacuum range" = 'medium vacuum'
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: What is Mean Free Path, when Vacuum Range is 'medium vacuum'? ### Input: CREATE TABLE table_43602 (
    "Vacuum range" text,
    "Pressure in hPa (mbar)" text,
    "Molecules / cm 3" text,
    "Molecules / m 3" text,
    "Mean free path" text
) ### Response: SELECT "Mean free path" FROM table_43602 WHERE "Vacuum range" = 'medium vacuum'