user: Question: What T20 match was played in 1979?
Columns: ['Name of ground', 'Location', 'Year', 'FC matches', 'LA matches', 'T20 matches', 'Total']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Riverside Ground', 'Chester-le-Street', '1995–present', '102', '124', '15', '241']
SQL:

assistant: SELECT "T20 matches" FROM "Table" WHERE "Year" = '1979';