When 10th, south west district 1 is the mens 2nd xi what is the ladies 1st xi?
create table table_21576644_2 (ladies_1st_xi varchar, mens_2nd_xi varchar, PRIMARY KEY (ladies_1st_xi))
select ladies_1st_xi from table_21576644_2 where mens_2nd_xi = "10th, south west district 1"