CREATE TABLE table_15079 ("Year" FLOAT, "Entrant" TEXT, "Chassis" TEXT, "Engine" TEXT, "Points" FLOAT)

For the Entrant of Sasol Jordan, add up all the points with a Year larger than 1993.
SELECT SUM("Points") FROM table_15079 WHERE "Year" > '1993' AND "Entrant" = 'sasol jordan'
SELECT SUM("Points") FROM "table_15079" WHERE "Entrant" = 'sasol jordan' AND "Year" > '1993'