CREATE TABLE table_21883 ("Season" CLOB, "Date" CLOB, "Driver" CLOB, "Team" CLOB, "Chassis" CLOB, "Engine" CLOB, "Laps" CLOB, "Miles  ( km ) " CLOB, "Race Time" CLOB, "Average Speed  ( mph ) " CLOB, "Report" CLOB)

When 169.182 is the average speed miles per hour what is the chassis?
SELECT "Chassis" FROM table_21883 WHERE "Average Speed (mph)" = '169.182'
SELECT "Chassis" FROM "table_21883" WHERE "Average Speed (mph)" = '169.182'