Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_202_281 ( id number, "date" text, "time (edt)" number, "team #1" text, "res." text, "team #2" text, "round" text, "spectators" number )

### Question ###
what is the difference in number of spectators between the best attended match and least attended match -lrb- of all matches listed -rrb- ?

### Accurate SQL ###

SELECT (SELECT "spectators" FROM table_202_281 ORDER BY "spectators" DESC LIMIT 1) - (SELECT "spectators" FROM table_202_281 ORDER BY "spectators" LIMIT 1)