how many advisors were in office for less than 3 years?
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col : name | state of residence | took office | left office | president served under row 1 : karl rove | texas | january 21, 2001 | august 31, 2007 | george w. bush row 2 : barry steven jackson | ohio | september 1, 2007 | january 19, 2009 | george w. bush row 3 : pete rouse | south dakota | january 20, 2009 | october 1, 2010 | barack obama row 4 : david axelrod | illinois | january 20, 2009 | january 10, 2011 | barack obama row 5 : david plouffe | delaware | january 10, 2011 | january 25, 2013 | barack obama row 6 : valerie jarrett | illinois | january 20, 2009 | present | barack obama row 7 : daniel pfeiffer | delaware | january 25, 2013 | present | barack obama
how many advisors were in office for less than 3 years?
Name State of residence Took office Left office President served under
Karl Rove Texas January 21, 2001 August 31, 2007 George W. Bush
Barry Steven Jackson Ohio September 1, 2007 January 19, 2009 George W. Bush
Pete Rouse South Dakota January 20, 2009 October 1, 2010 Barack Obama
David Axelrod Illinois January 20, 2009 January 10, 2011 Barack Obama
David Plouffe Delaware January 10, 2011 January 25, 2013 Barack Obama
Valerie Jarrett Illinois January 20, 2009 present Barack Obama
Daniel Pfeiffer Delaware January 25, 2013 present Barack Obama
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