CREATE TABLE table_name_5 (open_2nd_viii VARCHAR(255), u15_6th_quad VARCHAR(255), u16_1st_viii VARCHAR(255))
Which Open 2nd VIII had a U15 6th Quad of BGS and a U16 1st VII of TSS?
    
SQL: SELECT open_2nd_viii FROM table_name_5 WHERE u15_6th_quad = "bgs" AND u16_1st_viii = "tss"