How many footnotes have been made in year 1980 and what are the table names of these countries that made the footnotes?
year 1980 refers to Year = 'YR1980';
SELECT COUNT(T2.Description) FROM Country AS T1 INNER JOIN FootNotes AS T2 ON T1.CountryCode = T2.Countrycode WHERE T2.Year = 'YR1980' UNION ALL SELECT DISTINCT T1.TableName FROM Country AS T1 INNER JOIN FootNotes AS T2 ON T1.CountryCode = T2.Countrycode WHERE T2.Year = 'YR1980'