How many numbers in the season were written by Brett Conrad & Liz Sagal?
CREATE TABLE table_23858 (
    "No. in series" real,
    "No. in season" real,
    "Title" text,
    "Directedby" text,
    "Writtenby" text,
    "Originalairdate" text,
    "Production code" text,
    "U.S.viewers (million)" text
)
SELECT COUNT("No. in season") FROM table_23858 WHERE "Writtenby" = 'Brett Conrad & Liz Sagal'
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 numbers in the season were written by Brett Conrad & Liz Sagal? ### Input: CREATE TABLE table_23858 (
    "No. in series" real,
    "No. in season" real,
    "Title" text,
    "Directedby" text,
    "Writtenby" text,
    "Originalairdate" text,
    "Production code" text,
    "U.S.viewers (million)" text
) ### Response: SELECT COUNT("No. in season") FROM table_23858 WHERE "Writtenby" = 'Brett Conrad & Liz Sagal'