CREATE TABLE table_6022 ("Rank" FLOAT, "Rider" TEXT, "Manufacturer" TEXT, "Points" FLOAT, "Wins" FLOAT)

Rider of st phane mertens had what lowest points?
SELECT MIN("Points") FROM table_6022 WHERE "Rider" = 'stéphane mertens'
SELECT MIN("Points") FROM "table_6022" WHERE "Rider" = 'stéphane mertens'