### Question:
BreastCancerDAO extends DatasetsDAO { public static long selectCount() { String SELECT_COUNT = "SELECT COUNT(*) FROM BREAST_CANCER"; return Yank.queryScalar(SELECT_COUNT, Long.class, null); }  static void init(String dataFilesDir); static int dropTable(); static int createTable(); static int insert(BreastCancer breastCancer); static int getTrainTestSplit(); static long selectCount(); static BreastCancer selectSingle(int id);  }### Answer:
@Test public void testSelectCount() { long count = BreastCancerDAO.selectCount(); assertThat(count, equalTo(683L)); }