Question: How many countries does honoree Roberto De Vicenzo represent?
SQL: SELECT COUNT("Country") FROM "1-1515346-2" WHERE "Honoree(s)" = 'Roberto De Vicenzo';

Question: For which country does Keith Fergus play?
SQL: SELECT "Country" FROM "1-1515346-2" WHERE "Player" = 'Keith Fergus';

Question: Who won the tournament for Australia in the year when Byron Nelson was Honoree?
SQL: SELECT "Player" FROM "1-1515346-2" WHERE "Country" = 'Australia' AND "Honoree(s)" = 'Byron Nelson';

Question: What was the margin of victory in the year when the honoree was Tommy Armour?
SQL: SELECT "Margin of victory" FROM "1-1515346-2" WHERE "Honoree(s)" = 'Tommy Armour';