text: use emergency;
  
  insert into staff values
  	('lee','tom', 'cardiac', 5, 1000, 1),
  	('foo','bucky','s1', 2, 1001, 0),
  	('lea','meo', 's2', 6, 1002, 1),
  	('app','salmon','s3', 6, 1003, 0);
  
  insert into patient values
  	('dick','emily', 2000, 0, '1996-02-26'),
  	('su','tom',2001,1,'1994-03-01'),
  	('farm','charlotte',2002,0,'1990-03-14'),
  	('la','dude',2003,1,'2001-01-01');
  
  insert into visit values
  	(2000,1000,1,'2010-02-25 03:35'),
  	(2001,1001,2, '2010-02-26 12:30:23'),
  	(2002,1002,3, '2007-02-24 12:30:22'),
  	(2003,1003,4,'2011-06-12 08:15'),
  	(2002, 1003, 5, '2012-10-02 9:15');