CREATE TABLE table_41150 ("Year" FLOAT, "Chassis" CLOB, "Engine" CLOB, "Start" CLOB, "Finish" CLOB)

What was Andretti's finish the year he started 16th with a Buick engine?
SELECT "Finish" FROM table_41150 WHERE "Engine" = 'buick' AND "Start" = '16th'
SELECT "Finish" FROM "table_41150" WHERE "Engine" = 'buick' AND "Start" = '16th'