CREATE TABLE table_name_28 (fast_laps VARCHAR2, points VARCHAR2, series VARCHAR2, races VARCHAR2)

How many fast laps are in 6 races with 30 points in the World Series by Nissan?
SELECT fast_laps FROM table_name_28 WHERE series = "world series by nissan" AND races = "6" AND points = "30"
SELECT "fast_laps" FROM "table_name_28" WHERE "30" = "points" AND "6" = "races" AND "series" = "world series by nissan"