CREATE TABLE table_46186 ("Fin. Pos" TEXT, "Car No." TEXT, "Driver" TEXT, "Team" TEXT, "Laps" TEXT, "Time/Retired" TEXT, "Grid" TEXT, "Laps Led" TEXT, "Points" TEXT)

What grid did the team racing professionals race on?
SELECT "Grid" FROM table_46186 WHERE "Team" = 'racing professionals'
SELECT "Grid" FROM "table_46186" WHERE "Team" = 'racing professionals'