user: Question: What is Margin of Victory, when Tournament is "Women's Kemper Open"?
Columns: ['Date', 'Tournament', 'Winning score', 'Margin of victory', 'Runner(s)-up']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Aug 9, 1970', 'Lady Carling Open', '+2 (72-79-70=221)', '1 stroke', 'Betsy Rawls']
SQL:

assistant: SELECT "Margin of victory" FROM "Table" WHERE "Tournament" = 'Women''s Kemper Open';