Table:
text: List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
Rank_ Capacity City State_ Year_opened
191 24600 Montgomery Alabama 1922
192 24286 Oxford Ohio 1983
193= 24000 Omaha Nebraska 2011
193= 24000 Athens Ohio 1929
194 23724 Bowling Green Ohio 1966
195 23500 Worcester Massachusetts 1924
196 22500 Lorman Mississippi 1992
197= 22000 Houston Texas 2012
197= 22000 Newark Delaware 1952
197= 22000 Bowling Green Kentucky 1968
197= 22000 Orangeburg South Carolina 1955
201 21650 Boone North Carolina 1962
202 21500 Greensboro North Carolina 1981
203 21650 Sacramento California 1969
204= 21000 Charleston South Carolina 1946
204= 21000 Huntsville Alabama 1996
204= 21000 Chicago Illinois 1994
207 20668 Chattanooga Tennessee 1997
208 20630 Youngstown Ohio 1982

text: List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
Rank_ Capacity City State_ Year_opened
57 65050 Pittsburgh Pennsylvania 2001
58= 65000 San Antonio Texas 1993
58= 65000 Detroit Michigan 2002
60 64269 New Haven Connecticut 1914
61 64111 Minneapolis Minnesota 1982
62 64045 Provo Utah 1964
63 63400 Glendale Arizona 2006
64 63026 Oakland California 1966
65 63000 Indianapolis Indiana 2008
65 63.000 Chapel Hill North Carolina 1926
66 62872 Champaign Illinois 1923
67 62717 Berkeley California 1923
68 61500 Chicago Illinois 1924;2003
69 62500 West Lafayette Indiana 1924
70 62380 Memphis Tennessee 1965
71 61500 Charlottesville Virginia 1931
72 61000 Lubbock Texas 1947
73 60580 Oxford Mississippi 1915
74 60540 Morgantown West Virginia 1980

text: List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
Rank_ Capacity City State_ Year_opened
94= 51500 El Paso Texas 1963
96 50832 Shreveport Louisiana 1925
97 50805 Minneapolis Minnesota 2009
98 50445 Denver Colorado 1995
99 50291 Bronx New York 2009
100 50096 Atlanta Georgia 1996
101 50071 Lawrence Kansas 1921
102= 50000 Honolulu Hawai ʻ i 1975
102= 50000 Greenville North Carolina 1963
102= 50000 Waco Texas 1950
102= 50000 Stanford California 1921;2006
106 49262 Syracuse New York 1980
107 49115 Arlington Texas 1994
108 49033 Phoenix Arizona 1998
109 48876 Baltimore Maryland 1992
110 47130 Evanston Illinois 1996
111 47116 Seattle Washington 1999
112 46861 St. Louis Missouri 2006
113 45674 Corvallis Oregon 1953

text: List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
Rank_ Capacity City State_ Year_opened
19= 82000 Landover Maryland 1997
19= 82000 Clemson South Carolina 1942
21 81067 Lincoln Nebraska 1923
22 80795 Notre Dame Indiana 1930
23 80321 Madison Wisconsin 1917
24 80250 Columbia South Carolina 1934
25 80000 Arlington Texas 2009
26 76500 Miami Gardens Florida 1987
27 76416 Kansas City Missouri 1972
28 76125 Denver Colorado 2001
29 76000 Fayetteville Arkansas 1938
30 75005 East Lansing Michigan 1923
31 73967 Orchard Park New York 1973
32 73778 Charlotte North Carolina 1996
33 73378 Tempe Arizona 1958
34 73200 Cleveland Ohio 1999
35 73370 New Orleans Louisiana 1975
36 72928 Green Bay Wisconsin 1957

text: List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
Rank_ Capacity City State_ Year_opened
75 60492 Jackson Mississippi 1941
76 60000 Stillwater Oklahoma 1920
78 57803 Tucson Arizona 1928
79 57583 Raleigh North Carolina 1966
80 56692 Washington, D.C. District of Columbia 1961
81= 56000 Los Angeles California 1962
81= 56000 Louisville Kentucky 1998
83 55082 Starkville Mississippi 1914
84= 55000 Atlanta Georgia 1913
84= 55000 Ames Iowa 1975
86 53800 Eugene Oregon 1967
87 53750 Boulder Colorado 1924
88 53727 Little Rock Arkansas 1948
89 53500 Bloomington Indiana 1960
90 52593 Philadelphia Pennsylvania 1895
91 52480 Colorado Springs Colorado 1962
92 52454 Piscataway New Jersey 1994
93 52200 Manhattan Kansas 1968
94= 51500 College Park Maryland 1950

text: List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
List of U.S. stadiums by capacity
Rank_ Capacity City State_ Year_opened
152 33941 Durham North Carolina 1929
153 32580 Laramie Wyoming 1950
154= 32000 University Park Texas 2000
154= 32000 Houston Texas 1942
156 31500 Winston-Salem North Carolina 1968
157= 31000 Lafayette Louisiana 1971
157= 31000 Akron Ohio 1940
157= 31000 DeKalb Illinois 1965
160 30964 Jonesboro Arkansas 1974
161 30850 Denton Texas 2011
162 30600 Ruston Louisiana 1960
163 30456 San Jose California 1933
164 30427 Monroe Louisiana 1978
165 30343 Las Cruces New Mexico 1978
166 30323 Allston Massachusetts 1903
167 30295 Mount Pleasant Michigan 1972
168= 30200 Ypsilanti Michigan 1969
168= 30200 Kalamazoo Michigan 1939
168= 30000 Boca Raton Florida 2011

Question: From the list of US stadiums by capacity, what year did North Carolina open with a capacity of less than 21,500?