[['name', 'location', 'state', 'opened (closing date if defunct)', 'surface', 'length'], ['alaska raceway park', 'palmer', 'alaska', '1964', 'concrete', 'miles (km)'], ['atco dragway', 'atco', 'new jersey', '1960', 'asphalt', 'miles (km)'], ['atlanta dragway', 'commerce', 'georgia', '1975', 'concrete', 'miles (m)'], ['bandimere speedway', 'morrison', 'colorado', '1958', 'concrete', 'feet (m)'], ['bristol dragway', 'bristol', 'tennessee', '1965', 'concrete', 'feet (m)'], ['charlotte motor speedway', 'concord', 'north carolina', '2008', 'concrete', 'feet (m)'], ['firebird international raceway', 'chandler', 'arizona', '1983', 'concrete', 'miles (m)'], ['gainesville raceway', 'gainesville', 'florida', '1969', 'concrete', 'miles (m)'], ['gateway international raceway', 'madison', 'illinois', '1995', 'asphalt', 'miles (m)'], ['green valley raceway', 'north richland hills', 'texas', '1963 - 1984', 'asphalt', 'miles (m)'], ['houston raceway park', 'baytown', 'texas', '1988', 'asphalt', 'feet (m)'], ['infineon raceway', 'sonoma', 'california', '1968', 'asphalt', 'miles (m)'], ['kansas city international raceway', 'raytown', 'missouri', '1967', 'asphalt', 'miles (m)'], ['las vegas motor speedway', 'sunrise manor', 'nevada', '1995', 'asphalt', 'miles (m)'], ['lebanon valley dragway', 'west lebanon', 'new york', '1995', 'asphalt', 'feet (m)'], ['maple grove raceway', 'mohnton', 'pennsylvania', '1962', 'asphalt', 'miles (m)'], ['motion raceway', 'assumption', 'illinois', '1969', 'asphalt', 'feet (m)'], ['national trail raceway', 'hebron', 'ohio', '1964', 'concrete / asphalt', 'miles (m)'], ['newington international airport', 'newington', 'connecticut', '1953 - 1955', 'pavement / asphalt', 'miles (m)'], ['new england dragway', 'epping', 'new hampshire', '1966', 'asphalt', 'miles (m)'], ['old bridge township raceway park', 'englishtown', 'new jersey', '1965', 'asphalt', 'feet (m)'], ['palm beach international raceway', 'jupiter', 'florida', '1965', 'concrete', 'miles (m)'], ['route 66 raceway', 'joliet', 'illinois', '1997', 'pavement', 'miles (m)'], ['sanford seacoast regional airport', 'sanford', 'maine', '1955 - 1964', 'pavement / asphalt', 'miles (m)'], ['virginia motorsports park', 'petersburg', 'virginia', '1994', 'asphalt', 'miles (m)'], ['woodburn dragstrip', 'woodburn', 'oregon', '1961', 'asphalt', 'miles (m)']]
the most common date for the opening of a Track was in 1965
the most common date for the opening of a [ENT] was in [ENT]