user: Question: How many total appearances (league only) have a name of Gavin Dykes?
Columns: ['Ranking', 'Nationality', 'Name', 'Years', 'Total Appearances(league only)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Ireland', 'Tony Fagan', '1967–87', '590(431)']
SQL:

assistant: SELECT "Total Appearances(league only)" FROM "Table" WHERE "Name" = 'Gavin Dykes';