Before round 7, what is the greatest Pick # for a player that plays defensive tackle?
CREATE TABLE table_5385 (
    "Round" real,
    "Pick #" real,
    "Overall" real,
    "Name" text,
    "Position" text,
    "College" text
)
SELECT MAX("Pick #") FROM table_5385 WHERE "Position" = 'defensive tackle' AND "Round" < '7'
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: Before round 7, what is the greatest Pick # for a player that plays defensive tackle? ### Input: CREATE TABLE table_5385 (
    "Round" real,
    "Pick #" real,
    "Overall" real,
    "Name" text,
    "Position" text,
    "College" text
) ### Response: SELECT MAX("Pick #") FROM table_5385 WHERE "Position" = 'defensive tackle' AND "Round" < '7'