user: Question: How many times could you earn $470,000 as the grand prize?
Columns: ['Date', 'Tournament', 'Location', 'Purse ( $ )', 'Winner', 'Score', '1st Prize ( $ )']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Jan 25', 'Mitsubishi Electric Championship at Hualalai', 'Hawaii', 1800000.0, 'Bernhard Langer (5)', '198 (-18)', '315,000']
SQL:

assistant: SELECT COUNT("Score") FROM "Table" WHERE "1st Prize ( $ )" = '470,000';