user: Question: what's the highest position with artbeingt being Frankie Avalon
Columns: ['Position', 'Artist', 'Song title', 'Highest position', 'Points']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 'Rocco Granata', '" Marina "', 1.0, 498.0]
SQL:

assistant: SELECT "Highest position" FROM "Table" WHERE "Artist" = 'Frankie Avalon';