What is the smallest possible radius?
CREATE TABLE table_48 (
    "Star (Pismis24-#)" text,
    "Spectral type" text,
    "Magnitude (M bol )" text,
    "Temperature (K)" real,
    "Radius (R \u2609 )" real,
    "Mass (M \u2609 )" real
)
SELECT MIN("Radius (R \u2609 )") FROM table_48
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 the smallest possible radius? ### Input: CREATE TABLE table_48 (
    "Star (Pismis24-#)" text,
    "Spectral type" text,
    "Magnitude (M bol )" text,
    "Temperature (K)" real,
    "Radius (R \u2609 )" real,
    "Mass (M \u2609 )" real
) ### Response: SELECT MIN("Radius (R \u2609 )") FROM table_48