Which venue did Luke Blackwell serve as captain?
CREATE TABLE table_18796 (
    "Season" real,
    "Premiers" text,
    "Runners Up" text,
    "Score" text,
    "Captain" text,
    "Coach" text,
    "Simpson Medal" text,
    "Venue" text,
    "Attendance" real,
    "Umpires" text
)
SELECT "Venue" FROM table_18796 WHERE "Captain" = 'Luke Blackwell'
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: Which venue did Luke Blackwell serve as captain? ### Input: CREATE TABLE table_18796 (
    "Season" real,
    "Premiers" text,
    "Runners Up" text,
    "Score" text,
    "Captain" text,
    "Coach" text,
    "Simpson Medal" text,
    "Venue" text,
    "Attendance" real,
    "Umpires" text
) ### Response: SELECT "Venue" FROM table_18796 WHERE "Captain" = 'Luke Blackwell'