CREATE TABLE table_77497 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "To par" TEXT, "Margin of victory" TEXT, "Runner-up" TEXT)

Who was the runner-up in the tournament that has a margin of victory of 2 strokes, and a To par of 16?
SELECT "Runner-up" FROM table_77497 WHERE "Margin of victory" = '2 strokes' AND "To par" = '−16'
SELECT "Runner-up" FROM "table_77497" WHERE "Margin of victory" = '2 strokes' AND "To par" = '−16'