<P> Sam Houston was an important figure in Texas history . </P> <P> Named in his honor are: </P> <Ul> <Li> Houston, Texas, the largest city in the state and fourth largest in the United States </Li> <Li> Houston, Missouri </Li> <Li> Houston County, Minnesota </Li> <Li> Houston County, Tennessee </Li> <Li> Houston County, Texas </Li> <Li> Houston Street in New Haven, Connecticut </Li> <Li> Sam Houston Tollway in Houston, Texas </Li> <Li> Fort Sam Houston in San Antonio, Texas </Li> <Li> Sam Houston State University in Huntsville, Texas </Li> <Li> Several high schools named Sam Houston High School </Li> <Li> Sam Houston Elementary School in Maryville, Tennessee </Li> <Li> Sam Houston National Forest in Texas </Li> <Li> Sam Houston Coliseum in Houston, Texas </Li> <Li> Sam Houston Park, Houston, Texas </Li> <Li> Sam Houston Ship Channel Bridge, a bridge in Harris County, Texas </Li> <Li> Sam Houston Regional Library and Research Center in Liberty County, Texas </Li> </Ul> <Li> Houston, Texas, the largest city in the state and fourth largest in the United States </Li>

How many states have a city named houston
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