user: Question: Which Coach has a Runner-up of Northeastern and a Score of 6–3?
Columns: ['Year', 'Champion', 'Score', 'Runner-up', 'Coach']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1954.0, 'Boston College', '4–1', 'Harvard', 'John "Snooks" Kelley']
SQL:

assistant: SELECT "Coach" FROM "Table" WHERE "Runner-up" = 'Northeastern' AND "Score" = '6–3';