CREATE TABLE table_3513 ("Season" FLOAT, "Series" TEXT, "Team" TEXT, "Races" FLOAT, "Wins" FLOAT, "Poles" FLOAT, "F/Laps" FLOAT, "Podiums" FLOAT, "Points" TEXT, "Position" TEXT)

How many championships are there when there are 6 points
SELECT "Series" FROM table_3513 WHERE "Points" = '6'
SELECT "Series" FROM "table_3513" WHERE "Points" = '6'