CREATE TABLE table_14613 ("Year" CLOB, "Start" CLOB, "Qual" CLOB, "Rank" CLOB, "Finish" CLOB, "Laps" FLOAT)

How many laps did Duke Nelson complete when his qualifying time was 122.951?
SELECT SUM("Laps") FROM table_14613 WHERE "Qual" = '122.951'
SELECT SUM("Laps") FROM "table_14613" WHERE "Qual" = '122.951'