Question: Which championship had a margin of 10 strokes?
SQL: SELECT "Championship" FROM "2-1075064-4" WHERE "Margin" = '10 strokes';

Question: Which runner-up player(s) had a margin of 10 strokes?
SQL: SELECT "Runner(s)-up" FROM "2-1075064-4" WHERE "Margin" = '10 strokes';

Question: What was the most recent year that Kathy Ahern was a runner-up?
SQL: SELECT MAX("Year") FROM "2-1075064-4" WHERE "Runner(s)-up" = 'Kathy Ahern';