what are all the positions of players who's hometown is concord, california
CREATE TABLE table_11677691_12 (
    position VARCHAR,
    hometown VARCHAR
)
SELECT position FROM table_11677691_12 WHERE hometown = "Concord, California"
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 are all the positions of players who's hometown is concord, california ### Input: CREATE TABLE table_11677691_12 (
    position VARCHAR,
    hometown VARCHAR
) ### Response: SELECT position FROM table_11677691_12 WHERE hometown = "Concord, California"