What is the average frequency MHz for license of eastville, virginia?
CREATE TABLE table_52309 (
    "Call sign" text,
    "Frequency MHz" real,
    "City of license" text,
    "ERP W" real,
    "Class" text,
    "FCC info" text
)
SELECT AVG("Frequency MHz") FROM table_52309 WHERE "City of license" = 'eastville, virginia'
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 average frequency MHz for license of eastville, virginia? ### Input: CREATE TABLE table_52309 (
    "Call sign" text,
    "Frequency MHz" real,
    "City of license" text,
    "ERP W" real,
    "Class" text,
    "FCC info" text
) ### Response: SELECT AVG("Frequency MHz") FROM table_52309 WHERE "City of license" = 'eastville, virginia'