What is the lowest draft pick number for mark doak who had an overall pick smaller than 147?
CREATE TABLE table_47856 (
    "Round" real,
    "Pick" real,
    "Overall" real,
    "Name" text,
    "Position" text,
    "College" text
)
SELECT MIN("Pick") FROM table_47856 WHERE "Name" = 'mark doak' AND "Overall" < '147'
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 lowest draft pick number for mark doak who had an overall pick smaller than 147? ### Input: CREATE TABLE table_47856 (
    "Round" real,
    "Pick" real,
    "Overall" real,
    "Name" text,
    "Position" text,
    "College" text
) ### Response: SELECT MIN("Pick") FROM table_47856 WHERE "Name" = 'mark doak' AND "Overall" < '147'