CREATE TABLE table_204_939 (id NUMBER, "year" NUMBER, "chassis" CLOB, "engine" CLOB, "start" CLOB, "finish" CLOB)

in what year did the buick engine start in 1st ?
SELECT "year" FROM table_204_939 WHERE "engine" = 'buick' AND "start" = 1
SELECT "year" FROM "table_204_939" WHERE "engine" = 'buick' AND "start" = 1