CREATE TABLE table_20452 ("S No" FLOAT, "Team  ( A ) " CLOB, "Team  ( B ) " CLOB, "Winner" CLOB, "Margin" CLOB, "Match Date" CLOB)

Name the most number for 74 runs margins
SELECT MAX("S No") FROM table_20452 WHERE "Margin" = '74 runs'
SELECT MAX("S No") FROM "table_20452" WHERE "Margin" = '74 runs'