CREATE TABLE table_13933 ("Season" FLOAT, "Series" TEXT, "Team" TEXT, "Races" FLOAT, "Wins" FLOAT, "Poles" FLOAT, "F/Laps" FLOAT, "Points" FLOAT, "Position" TEXT)

What is the lowest poles of team comtec racing, which has a nc position?
SELECT MIN("Poles") FROM table_13933 WHERE "Position" = 'nc' AND "Team" = 'comtec racing'
SELECT MIN("Poles") FROM "table_13933" WHERE "Position" = 'nc' AND "Team" = 'comtec racing'