table: [['pinnacle height', 'year', 'structure type', 'main use', 'country', 'town'], ['-', '1969', 'guyed mast', 'vhf - uhf transmission', 'us', 'hemingford , nebraska'], ['-', '1992', 'guyed mast', 'vhf - uhf transmission', 'us', 'liverpool , texas'], ['-', '2001', 'guyed mast', 'vhf - uhf transmission', 'us', 'dillon , south carolina'], ['-', '1990', 'guyed mast', 'vhf - uhf transmission', 'us', 'bertram , texas'], ['-', '2002', 'guyed mast', 'vhf - uhf transmission', 'us', 'collinsville , texas'], ['- (orig 609.6 m)', '1971', 'guyed mast', 'vhf - uhf transmission', 'us', 'fordland , missouri'], ['-', '1981', 'guyed mast', 'vhf - uhf transmission', 'us', 'winnabow , north carolina'], ['-', '2001', 'guyed mast', 'vhf - uhf transmission', 'us', 'robertsdale , alabama'], ['-', '1985', 'guyed mast', 'vhf - uhf transmission', 'us', 'dallas , north carolina'], ['-', '1977', 'guyed mast', 'vhf - uhf transmission', 'us', 'grady , alabama'], ['-', '1986', 'guyed mast', 'vhf - uhf transmission', 'us', 'columbia , louisiana'], ['-', '1988', 'guyed mast', 'vhf - uhf transmission', 'us', 'splendora , texas'], ['-', '1974', 'guyed mast', 'vhf - uhf transmission', 'us', 'walker city , iowa'], ['-', '1981', 'guyed mast', 'vhf - uhf transmission', 'us', 'eddy , texas'], ['-', '1998', 'guyed mast', 'vhf - uhf transmission', 'us', 'greenwood , texas'], ['-', '1999', 'guyed mast', 'vhf - uhf transmission', 'us', 'rio grande city , texas'], ['-', '2004', 'guyed mast', 'vhf - uhf transmission', 'us', 'randleman , north carolina'], ['-', '1988', 'guyed mast', 'vhf - uhf transmission', 'us', 'coweta , oklahoma'], ['-', '2004', 'guyed mast', 'vhf - uhf transmission', 'us', 'robertsdale , alabama'], ['-', '1998', 'offshore platform', 'oil drilling', 'us', 'garden banks , gulf of mexico'], ['-', '1978', 'guyed mast', 'vhf - uhf transmission', 'us', 'bethlehem , florida'], ['-', '1985', 'guyed mast', 'vhf - uhf transmission', 'us', 'redfield , arkansas'], ['-', '2002', 'guyed mast', 'vhf - uhf transmission', 'us', 'greensboro , north carolina'], ['-', '2000', 'guyed mast', 'vhf - uhf transmission', 'us', 'shepherd , texas'], ['-', '1986', 'guyed mast', 'vhf - uhf transmission', 'us', 'spanish fort , alabama'], ['-', '2000', 'guyed mast', 'vhf - uhf transmission', 'us', 'saint cloud , florida'], ['-', '1980', 'guyed mast', 'vhf - uhf transmission', 'us', 'gray court , south carolina'], ['-', '1965', 'guyed mast', 'vhf - uhf transmission', 'us', 'genoa , nebraska'], ['-', '1993', 'guyed mast', 'vhf - uhf transmission', 'us', 'princeton , florida'], ['-', '1985', 'guyed mast', 'vhf - uhf transmission', 'us', 'gretna , nebraska'], ['-', '1965', 'guyed mast', 'vhf - uhf transmission', 'us', 'roswell , new mexico'], ['-', '1984', 'guyed mast', 'vhf - uhf transmission', 'us', 'oneta , oklahoma'], ['-', '2003', 'guyed mast', 'vhf - uhf transmission', 'us', 'shreveport , louisiana'], ['-', '1976', 'concrete tower', 'observation , vhf - uhf transmission', 'canada', 'toronto , ontario']]
ref: the vast majority of listed Tall Structure are Guyed Mast
template: the vast majority of listed [ENT] are [ENT]