user: Question: Manager of Art Griggs had what lowest year?
Columns: ['Year', 'League', 'Class', 'Record', 'Finish', 'Manager', 'Playoffs']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1919.0, 'Western League', 'A', '77-63', '2nd', 'Spencer Abbott', 'League Champs']
SQL:

assistant: SELECT MIN("Year") FROM "Table" WHERE "Manager" = 'Art Griggs';