CREATE TABLE table_16672 ("Rd." FLOAT, "Grand Prix" TEXT, "Date" TEXT, "Location" TEXT, "Pole Position" TEXT, "Fastest Lap" TEXT, "Winning Driver" TEXT, "Constructor" TEXT, "Report" TEXT)

What was the fastest lap at the Mexican Grand Prix?
SELECT "Fastest Lap" FROM table_16672 WHERE "Grand Prix" = 'Mexican Grand Prix'
SELECT "Fastest Lap" FROM "table_16672" WHERE "Grand Prix" = 'Mexican Grand Prix'