user: Question: Was the Grand Prix Watkins Glen that Miles Collier raced in before 1952 a championship?
Columns: ['Year', 'Drivers', 'Team', 'Duration/Distance', 'Race Title', 'Championship']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1948.0, 'Frank Griswold', 'Frank Griswold', 'mi (km)', 'Grand Prix Watkins Glen', 'Non-championship']
SQL:

assistant: SELECT "Championship" FROM "Table" WHERE "Year" < 1952.0 AND "Race Title" = 'Grand Prix Watkins Glen' AND "Drivers" = 'Miles Collier';