what is the number of anchor roles this actor has had ?
CREATE TABLE table_204_729 (
    id number,
    "year" text,
    "show" text,
    "role" text,
    "channel" text,
    "notes" text
)
SELECT COUNT(*) FROM table_204_729 WHERE "role" = 'anchor'
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 number of anchor roles this actor has had ? ### Input: CREATE TABLE table_204_729 (
    id number,
    "year" text,
    "show" text,
    "role" text,
    "channel" text,
    "notes" text
) ### Response: SELECT COUNT(*) FROM table_204_729 WHERE "role" = 'anchor'