CREATE TABLE table_54252 ("Race" CLOB, "Date" CLOB, "Location" CLOB, "Pole Position" CLOB, "Fastest Lap" CLOB, "Race Winner" CLOB, "Constructor" CLOB, "Report" CLOB)

What is the constructor for the race with Nigel Mansell as the fastest lap?
SELECT "Constructor" FROM table_54252 WHERE "Fastest Lap" = 'nigel mansell'
SELECT "Constructor" FROM "table_54252" WHERE "Fastest Lap" = 'nigel mansell'