Table:
text: List of Phi Sigma Kappa chapters
List of Chapters
List of Chapters
Chapter Chartered School State_ Status_ Charter_Range
Lambda 1899 George Washington University Washington, D.C. Active 1899-Present
Mu Colony 1900 University of Pennsylvania Pennsylvania Colony 1900-1997 2001-2007
Nu 1901 Lehigh University Pennsylvania Active 1901-Present
Xi 1902 St. Lawrence University New York Inactive 1902-2004
Omicron 1902 MIT Massachusetts Active 1902-Present
Pi 1903 Franklin and Marshall College Pennsylvania Inactive 1903-1983
Rho 1903 Queen`s University Ontario (Canada) Inactive 1903-1914
Sigma 1903 St. John`s College Maryland Inactive 1903-1940
Tau 1905 Dartmouth College New Hampshire Seceded [a ] [i ] 1905-1956
Upsilon 1906 Brown University Rhode Island Inactive 1906-1939
Phi 1906 Swarthmore College Pennsylvania Inactive 1906-1991
Chi 1906 Williams College Massachusetts Inactive 1906-1966
Psi 1907 University of Virginia Virginia Active 1907-Present

Question: Which chapter was active from 1906 to 1991 in the list of Phi Sigma Kappa chapters?

Question: Which state among the chapters in the Phi Sigma Kappa list had an active chapter from 1906-1991?