CREATE TABLE table_68296 ("Year" CLOB, "Start" CLOB, "Qual" CLOB, "Rank" CLOB, "Finish" CLOB, "Laps" FLOAT)

What is the qualification for rank of 29 in 1957?
SELECT "Qual" FROM table_68296 WHERE "Rank" = '29' AND "Year" = '1957'
SELECT "Qual" FROM "table_68296" WHERE "Rank" = '29' AND "Year" = '1957'