### Question:
LSHTC4DAO extends LSHTC4ParentDAO { public static long selectCount() { String SELECT_COUNT = "SELECT COUNT(*) FROM LSHTC4"; return Yank.queryScalar(SELECT_COUNT, Long.class, null); }  static int dropTable(); static int getTrainTestSplit(); static int createTable(); static int insert(LSHTC4 lSHTC4); static LSHTC4 selectSingle(int id); static long selectCount();  }### Answer:
@Test public void testSelectCount() { long count = LSHTC4DAO.selectCount(); assertThat(count, equalTo(2817603L)); }