how many total towns on the list are in montgomery county ?
CREATE TABLE table_204_299 (
    id number,
    "name of place" text,
    "number of counties" number,
    "principal county" text,
    "lower zip code" number
)
SELECT COUNT(*) FROM table_204_299 WHERE "principal county" = 'montgomery county'
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: how many total towns on the list are in montgomery county ? ### Input: CREATE TABLE table_204_299 (
    id number,
    "name of place" text,
    "number of counties" number,
    "principal county" text,
    "lower zip code" number
) ### Response: SELECT COUNT(*) FROM table_204_299 WHERE "principal county" = 'montgomery county'