CREATE TABLE table_3132 ("No." FLOAT, "Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "To par" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What was the margin of victory when runner-up was K. J. Choi?
SELECT "Margin of victory" FROM table_3132 WHERE "Runner(s)-up" = 'K. J. Choi'
SELECT "Margin of victory" FROM "table_3132" WHERE "Runner(s)-up" = 'K. J. Choi'