who started at the pole position in both 2013 bojangles' southern 500 and the 2001 mountain dew southern 500
SELECT DISTINCT var_uri where brack_open dbr_2013_Bojangles'_Southern_500 dbp_poleDriver var_uri sep_dot dbr_2001_Mountain_Dew_Southern_500 dbp_poleDriver var_uri brack_close