CREATE TABLE table_19320 ("Rank" FLOAT, "Name" TEXT, "Nationality" TEXT, "1st  ( m ) " TEXT, "2nd  ( m ) " TEXT, "Points" TEXT, "Overall NT points" TEXT, "Overall WC points  ( Rank ) " TEXT)

Name the total number of 1stm when 2nd m is 125.5
SELECT COUNT("1st (m)") FROM table_19320 WHERE "2nd (m)" = '125.5'
SELECT COUNT("1st (m)") FROM "table_19320" WHERE "2nd (m)" = '125.5'