SELECT COUNT("week") FROM table_204_269 WHERE "week" > 5 AND "winning couple" = 'alisa and lysandra'
after winning week 5 , alisa and lysandra had how many winning weeks
CREATE TABLE table_204_269 (
    id number,
    "week" number,
    "room" text,
    "winning couple" text,
    "2nd couple" text,
    "3rd couple" text,
    "chumps" text
)