CREATE TABLE table_75988 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What tournament had a victory of a 1 stroke margin and the final winning score 69-75-71-70?
SELECT "Tournament" FROM table_75988 WHERE "Margin of victory" = '1 stroke' AND "Winning score" = '69-75-71-70'
SELECT "Tournament" FROM "table_75988" WHERE "Margin of victory" = '1 stroke' AND "Winning score" = '69-75-71-70'