<Tr> <Th> 6 </Th> <Td> 6 </Td> <Td> "Delicate Things" </Td> <Td> Rick Jacobson </Td> <Td> Tracy Bellomo & Andrew Chambliss </Td> <Td> February 26, 2010 (2010 - 02 - 26) </Td> <Td> SPS106 </Td> <Td> 1.08 </Td> </Tr> <Tr> <Th> 7 </Th> <Td> 7 </Td> <Td> "Great and Unfortunate Things" </Td> <Td> Jesse Warn </Td> <Td> Brent Fletcher & Steven S. DeKnight </Td> <Td> March 12, 2010 (2010 - 03 - 12) </Td> <Td> SPS107 </Td> <Td> 0.97 </Td> </Tr> <Tr> <Th> 8 </Th> <Td> 8 </Td> <Td> "Mark of the Brotherhood" </Td> <Td> Rowan Woods </Td> <Td> Aaron Helbing & Todd Helbing </Td> <Td> March 19, 2010 (2010 - 03 - 19) </Td> <Td> SPS108 </Td> <Td> 0.88 </Td> </Tr> <Tr> <Th> 9 </Th> <Td> 9 </Td> <Td> "Whore" </Td> <Td> Michael Hurst </Td> <Td> Daniel Knauf </Td> <Td> March 26, 2010 (2010 - 03 - 26) </Td> <Td> SPS109 </Td> <Td> 1.11 </Td> </Tr>

How many episodes are in spartacus season 4