CREATE TABLE table_65630 ("Club" TEXT, "Total points" TEXT, "Bonus points" TEXT, "Match points" TEXT, "Games" TEXT, "Drawn" TEXT, "Lost" TEXT, "Points for" TEXT, "Points against" TEXT, "Diff" TEXT)

Which lost has 84 as the match points?
SELECT "Lost" FROM table_65630 WHERE "Match points" = '84'
SELECT "Lost" FROM "table_65630" WHERE "Match points" = '84'