what is the difference in number of spectators between the best attended match and least attended match -lrb- of all matches listed -rrb- ?
CREATE TABLE table_202_281 (
    id number,
    "date" text,
    "time (edt)" number,
    "team #1" text,
    "res." text,
    "team #2" text,
    "round" text,
    "spectators" number
)
SELECT (SELECT "spectators" FROM table_202_281 ORDER BY "spectators" DESC LIMIT 1) - (SELECT "spectators" FROM table_202_281 ORDER BY "spectators" LIMIT 1)
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 difference in number of spectators between the best attended match and least attended match -lrb- of all matches listed -rrb- ? ### Input: CREATE TABLE table_202_281 (
    id number,
    "date" text,
    "time (edt)" number,
    "team #1" text,
    "res." text,
    "team #2" text,
    "round" text,
    "spectators" number
) ### Response: SELECT (SELECT "spectators" FROM table_202_281 ORDER BY "spectators" DESC LIMIT 1) - (SELECT "spectators" FROM table_202_281 ORDER BY "spectators" LIMIT 1)