Table: eujunbad_champs_2
Columns: year
men_s_singles
women_s_singles
men_s_doubles
women_s_doubles
mixed_doubles

Question: What Men's double held together with Women's singles of camilla martin?
SQL: SELECT "men_s_doubles" FROM eujunbad_champs_2 WHERE "women_s_singles" = 'camilla martin'