When the total winners was smaller than 2 and 2 woman won, what's the average of the men's half marathon winners?
CREATE TABLE table_51246 (
    "Country" text,
    "Total" real,
    "Marathon (men's)" real,
    "Marathon (women's)" real,
    "Half Marathon (men's)" real,
    "Half Marathon (women's)" real
)
SELECT AVG("Half Marathon (men's)") FROM table_51246 WHERE "Marathon (women's)" = '2' AND "Total" < '2'
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: When the total winners was smaller than 2 and 2 woman won, what's the average of the men's half marathon winners? ### Input: CREATE TABLE table_51246 (
    "Country" text,
    "Total" real,
    "Marathon (men's)" real,
    "Marathon (women's)" real,
    "Half Marathon (men's)" real,
    "Half Marathon (women's)" real
) ### Response: SELECT AVG("Half Marathon (men's)") FROM table_51246 WHERE "Marathon (women's)" = '2' AND "Total" < '2'