what was a common first team at the 2013 bojangles' southern 500 and 2013 kobalt tools 400 one ?
SELECT DISTINCT var_uri where brack_open dbr_2013_Bojangles'_Southern_500 dbp_firstTeam var_uri sep_dot dbr_2013_Kobalt_Tools_400 dbp_firstTeam var_uri brack_close