<Table> <Tr> <Th_colspan="2"> Royal Liverpool University Hospital </Th> </Tr> <Tr> <Td_colspan="2"> Royal Liverpool and Broadgreen University Hospitals NHS Trust </Td> </Tr> <Tr> <Td_colspan="2"> Main Entrance and Emergency Department at the existing Royal Liverpool University Hospital (completed in 1978) </Td> </Tr> <Tr> <Th_colspan="2"> Geography </Th> </Tr> <Tr> <Th> Location </Th> <Td> Prescot Street, Liverpool, L7 8XP . </Td> </Tr> <Tr> <Th_colspan="2"> Organisation </Th> </Tr> <Tr> <Th> Care system </Th> <Td> Public NHS </Td> </Tr> <Tr> <Th> Hospital type </Th> <Td> Teaching </Td> </Tr> <Tr> <Th> Affiliated university </Th> <Td> University of Liverpool, Liverpool John Moores University, Liverpool School of Tropical Medicine </Td> </Tr> <Tr> <Th_colspan="2"> Services </Th> </Tr> <Tr> <Th> Emergency department </Th> <Td> Yes Accident & Emergency; Major Trauma Centre </Td> </Tr> <Tr> <Th> Beds </Th> <Td> 850 </Td> </Tr> <Tr> <Th> Speciality </Th> <Td> Organ Transplantation, Nephrology, Endocrinology, Ophthalmology, Vascular Surgery, Hepatology, Hepatobiliary Surgery, Orthopaedics, Oncology, Respiratory Medicine, Regional Tropical and Infectious Disease Unit . </Td> </Tr> <Tr> <Th_colspan="2"> History </Th> </Tr> <Tr> <Th> Founded </Th> <Td> 1938 as Royal Liverpool United Hospitals; 1978 as Royal Liverpool University Hospital </Td> </Tr> <Tr> <Th_colspan="2"> Links </Th> </Tr> <Tr> <Th> Website </Th> <Td> http://www.rlbuht.nhs.uk </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Royal Liverpool University Hospital </Th> </Tr>

How many beds does the royal liverpool hospital have