How much Played has an Average smaller than 0.9390000000000001, and a 1990-91 of 28?
CREATE TABLE table_78873 (
    "Team" text,
    "Average" real,
    "Points" real,
    "Played" real,
    "1989-90" text,
    "1990-91" text,
    "1991-1992" real
)
SELECT COUNT("Played") FROM table_78873 WHERE "Average" < '0.9390000000000001' AND "1990-91" = '28'
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 much Played has an Average smaller than 0.9390000000000001, and a 1990-91 of 28? ### Input: CREATE TABLE table_78873 (
    "Team" text,
    "Average" real,
    "Points" real,
    "Played" real,
    "1989-90" text,
    "1990-91" text,
    "1991-1992" real
) ### Response: SELECT COUNT("Played") FROM table_78873 WHERE "Average" < '0.9390000000000001' AND "1990-91" = '28'