user: ### NOW ANSWER:
Question: Name the dates for margin of victory being 5 strokes
Columns: ['Year', 'Dates', 'Champion', 'Country', 'Score', 'To par', 'Margin of victory', 'Tournament location', 'Purse ( US $ )', 'Winners share']
Types: ['real', 'text', 'text', 'text', 'real', 'text', 'text', 'text', 'real', 'text']
Sample row: [2013.0, 'Aug 22–25', 'Lydia Ko (a) (2)', 'New Zealand', 265.0, '–15', '5 strokes', 'Royal Mayfair Golf Club, ( Edmonton , AB )', 2000000.0, '300,000^']
SQL:

assistant: SELECT COUNT("Dates") FROM "Table" WHERE "Margin of victory" = '5 strokes';