What is the highest planetary mass having an RV (cm/s) of 65 and a Period (days) less than 21?
CREATE TABLE table_78220 (
    "Stellar mass ( M\u2609 )" real,
    "Planetary mass ( M\u2295 )" real,
    "Lum. (L 0 )" text,
    "Type" text,
    "RHAB ( AU )" real,
    "RV (cm/s)" real,
    "Period (days)" real
)
SELECT MAX("Planetary mass ( M\u2295 )") FROM table_78220 WHERE "RV (cm/s)" = '65' AND "Period (days)" < '21'
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 highest planetary mass having an RV (cm/s) of 65 and a Period (days) less than 21? ### Input: CREATE TABLE table_78220 (
    "Stellar mass ( M\u2609 )" real,
    "Planetary mass ( M\u2295 )" real,
    "Lum. (L 0 )" text,
    "Type" text,
    "RHAB ( AU )" real,
    "RV (cm/s)" real,
    "Period (days)" real
) ### Response: SELECT MAX("Planetary mass ( M\u2295 )") FROM table_78220 WHERE "RV (cm/s)" = '65' AND "Period (days)" < '21'