CREATE TABLE table_68444 ("Year" CLOB, "Start" CLOB, "Qual" CLOB, "Rank" CLOB, "Finish" CLOB, "Laps" FLOAT)

The 147.481 Qual, happened in what year?
SELECT "Year" FROM table_68444 WHERE "Qual" = '147.481'
SELECT "Year" FROM "table_68444" WHERE "Qual" = '147.481'