CREATE TABLE table_30621 ("No" FLOAT, "Driver" TEXT, "Entrant" TEXT, "Constructor" TEXT, "Chassis" TEXT, "Engine" TEXT)

Name the least number for nello pagani
SELECT MIN("No") FROM table_30621 WHERE "Driver" = 'Nello Pagani'
SELECT MIN("No") FROM "table_30621" WHERE "Driver" = 'Nello Pagani'