Table: macau_open_badminton_2
Columns: year
men_s_singles
women_s_singles
men_s_doubles
women_s_doubles
mixed_doubles

Question: Who was on the men's doubles in 2010?
SQL: SELECT "men_s_doubles" FROM macau_open_badminton_2 WHERE "year" = 2010

Question: Which women was on the mixed doubles of tontowi ahmad lilyana natsir in 2011?
SQL: SELECT "women_s_singles" FROM macau_open_badminton_2 WHERE "mixed_doubles" = 'tontowi ahmad lilyana natsir' AND "year" = 2011