user: Question: What tournament had a victory of a 1 stroke margin and the final winning score 69-75-71-70?
Columns: ['Date', 'Tournament', 'Winning score', 'Margin of victory', 'Runner(s)-up']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['3 Aug 2008', "Ricoh Women's British Open", '66-68-70-66=270', '3 strokes', 'Yani Tseng']
SQL:

assistant: SELECT "Tournament" FROM "Table" WHERE "Margin of victory" = '1 stroke' AND "Winning score" = '69-75-71-70';