Please list the phone numbers of all the customers in the household segment and are in Brazil.
phone numbers refer to c_phone; Brazil is the name of the nation which refers to n_name = 'BRAZIL'; household segment refers to c_mktsegment = 'HOUSEHOLD';
SELECT T1.c_phone FROM customer AS T1 INNER JOIN nation AS T2 ON T1.c_nationkey = T2.n_nationkey WHERE T1.c_mktsegment = 'HOUSEHOLD' AND T2.n_name = 'BRAZIL'