CREATE TABLE table_53824 ("Date" CLOB, "Tournament" CLOB, "Winning score" CLOB, "Margin of victory" CLOB, "Runner ( s ) -up" CLOB)

What was the Winning score for the Mynavi ABC Championship Tournament?
SELECT "Winning score" FROM table_53824 WHERE "Tournament" = 'mynavi abc championship'
SELECT "Winning score" FROM "table_53824" WHERE "Tournament" = 'mynavi abc championship'