CREATE TABLE table_3588 ("Year" FLOAT, "Starts" FLOAT, "Wins" FLOAT, "Top 10" FLOAT, "Avg. Start" TEXT, "Avg. Finish" TEXT, "Winnings" TEXT, "Position" TEXT, "Team ( s ) " TEXT)

How many positions are there for RB1 Motorsports?
SELECT COUNT("Position") FROM table_3588 WHERE "Team(s)" = 'RB1 Motorsports'
SELECT COUNT("Position") FROM "table_3588" WHERE "Team(s)" = 'RB1 Motorsports'