CREATE TABLE table_67138 ("Year" CLOB, "Start" CLOB, "Qual" CLOB, "Rank" CLOB, "Finish" CLOB, "Laps" FLOAT)

Which start has 1956 as the year?
SELECT "Start" FROM table_67138 WHERE "Year" = '1956'
SELECT "Start" FROM "table_67138" WHERE "Year" = '1956'