Write SQL query to solve given problem: How many customers belong to the household segment in Germany?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T1.c_name) 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 = 'GERMANY'