CREATE TABLE table_20413 ("No." FLOAT, "Date" CLOB, "Tournament" CLOB, "Winning score" CLOB, "To par" CLOB, "Margin of victory" CLOB, "Runner ( s ) -up" CLOB)

Name the most number when tournament is madrid masters
SELECT MAX("No.") FROM table_20413 WHERE "Tournament" = 'Madrid Masters'
SELECT MAX("No.") FROM "table_20413" WHERE "Tournament" = 'Madrid Masters'