|School|Location|Control|Type|Enrollment|Founded|
|---|---|---|---|---|---|
|Air Force Institute of Technology|Wright-Patterson AFB, Ohio|Public|DRU|719|1919|
|California Institute of Technology|Pasadena, California|Private|RU/VH|2,231|1891|
|California Polytechnic State University|San Luis Obispo, California|Public|Master's L|18,762|1901|
|California State Polytechnic University, Pomona|Pomona, California|Public|Master's L|22,273|1938|
|Clarkson University|Potsdam, NY|Private|RU/H|3,187|1896|
|Colorado School of Mines|Golden, Colorado|Public|RU/H|4,296|1874|
|Colorado Technical University|Colorado Springs, Colorado|Private|DRU|30,020|1965|
|Florida Institute of Technology|Melbourne, Florida|Private|DRU|8,985|1958|
|Georgia Institute of Technology|Atlanta, Georgia|Public|RU/VH|20,487|1885|
|Illinois Institute of Technology|Chicago, Illinois|Private|RU/H|7,787|1890|
|Massachusetts Institute of Technology|Cambridge, Massachusetts|Private|RU/VH|10,894|1861|
|Michigan Technological University|Houghton, Michigan|Public|RU/H|6,957|1885|
|Missouri University of Science and Technology|Rolla, Missouri|Public|RU/H|7,521|1870|
|Montana Tech of the University of Montana|Butte, Montana|Public|Bac/Diverse|2,694|1900|
|New Jersey Institute of Technology|Newark, New Jersey|Private|RU/H|9,558|1881|
|New Mexico Institute of Mining and Technology|Socorro, New Mexico|Public|Master's M|1,921|1889|
|Oregon Institute of Technology|Klamath Falls, Oregon|Public|Bac/Diverse|3,927|1947|
|Polytechnic Institute of New York University|Brooklyn, New York|Private|RU/H|4,514|1854|
|Rensselaer Polytechnic Institute|Troy, New York|Private|RU/VH|7,521|1824|
|Rochester Institute of Technology|Henrietta, New York|Private|Master's L|17,652|1829|
|Rose–Hulman Institute of Technology|Terre Haute, Indiana|Private|Spec/Engg|1,970|1874|
|South Dakota School of Mines and Technology|Rapid City, South Dakota|Public|Spec/Engg|2,354|1885|
|Southern Polytechnic State University|Marietta, Georgia|Public|Master's M|6,202|1948|
|Stevens Institute of Technology|Hoboken, New Jersey|Private|RU/H|5,260|1870|
|Texas Tech University|Lubbock, Texas|Public|RU/H|32,327|1923|
|University of Wisconsin–Stout|Menomonie, Wisconsin|Public|Master's L|9,339|1891|
|Virginia Polytechnic Institute and State University|Blacksburg, Virginia|Public|RU/VH|30,739|1872|
|Worcester Polytechnic Institute|Worcester, Massachusetts|Private|DRU|5,071|1865|

Question: how many of the universities were located in california?
Answer: 3