CREATE TABLE table_94 ("Season" FLOAT, "Driver" CLOB, "Team" CLOB, "Engine" CLOB, "Poles" FLOAT, "Wins" FLOAT, "Podiums" FLOAT, "Points" CLOB, "Margin of defeat" CLOB)

Which margin of defeats had points of 30?
SELECT "Margin of defeat" FROM table_94 WHERE "Points" = '30'
SELECT "Margin of defeat" FROM "table_94" WHERE "Points" = '30'