When did the club UNAM played the first season in top division?
{'header': ['Club', 'First season in top division', 'Number of seasons in top division', 'First season of current spell in top division', 'Number of seasons in Liga MX', 'Top division titles'], 'page_title': 'Liga MX', 'page_id': '', 'types': ['text', 'text', 'real', 'text', 'real', 'real'], 'id': '1-18143210-2', 'section_title': 'Clubs', 'caption': 'Clubs', 'rows': [['América', '1943-44', '89', '1943-44', '89', '11'], ['Atlante', '1943-44', '87', '1991-92', '40', '3'], ['Atlas', '1943-44', '86', '1979-80', '51', '1'], ['Chiapas', '2002-03', '22', '2002-03', '22', '0'], ['Cruz Azul', '1964-65', '68', '1964-65', '68', '8'], ['Guadalajara', '1943-44', '89', '1943-44', '89', '11'], ['León', '1944-45', '65', '2012-13', '2', '5'], ['Monterrey', '1945-46', '74', '1960-61', '72', '4'], ['Morelia', '1957-58', '61', '1981-82', '50', '1'], ['Pachuca', '1967-68', '40', '1998-99', '30', '5'], ['Puebla', '1944-45', '69', '2007-08', '12', '2'], ['Querétaro', '1990-91', '18', '2009-10', '8', '0'], ['Santos Laguna', '1988-89', '42', '1988-89', '42', '4'], ['Tijuana', '2011-12', '4', '2011-12', '4', '1'], ['Toluca', '1953-54', '79', '1953-54', '79', '10'], ['UANL', '1974-75', '55', '1997-98', '32', '3'], ['UNAM', '1962-63', '70', '1962-63', '70', '7']], 'name': 'table_18143210_2'}