<Table> <Tr> <Th_colspan="2"> Houston Comets </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Conference </Th> <Td> Western </Td> </Tr> <Tr> <Th> Leagues </Th> <Td> WNBA </Td> </Tr> <Tr> <Th> Founded </Th> <Td> 1997 </Td> </Tr> <Tr> <Th> Dissolved </Th> <Td> 2008 </Td> </Tr> <Tr> <Th> History </Th> <Td> Houston Comets 1997--2008 </Td> </Tr> <Tr> <Th> Arena </Th> <Td> Compaq Center (1997--2003) Toyota Center (2004--2007) Reliant Arena (2008) </Td> </Tr> <Tr> <Th> Location </Th> <Td> Houston, Texas </Td> </Tr> <Tr> <Th> Team colors </Th> <Td> Fireball Red, Stardust Silver, White, Galaxy Blue </Td> </Tr> <Tr> <Th> Championships </Th> <Td> 4 (1997, 1998, 1999, 2000) </Td> </Tr> <Tr> <Th> Conference titles </Th> <Td> 4 (1997, 1998, 1999, 2000) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Houston Comets </Th> </Tr>

How many championships did the houston comets win