which coach of 2011–12 petron blaze boosters season is also the coach 1997 pop cola bottlers season ?
SELECT DISTINCT var_uri where brack_open dbr_2011–12_Petron_Blaze_Boosters_season dbp_coach var_uri sep_dot dbr_1997_Pop_Cola_Bottlers_season dbp_name var_uri brack_close