CREATE TABLE table_50824 ("Date" CLOB, "Tournament" CLOB, "Winning score" CLOB, "Margin of victory" CLOB, "Runner ( s ) -up" CLOB)

Who is the runner-up of Atlantic city classic?
SELECT "Runner(s)-up" FROM table_50824 WHERE "Tournament" = 'atlantic city classic'
SELECT "Runner(s)-up" FROM "table_50824" WHERE "Tournament" = 'atlantic city classic'