CREATE TABLE table_16752 ("Race Name" TEXT, "Circuit" TEXT, "Date" TEXT, "Winning driver" TEXT, "Constructor" TEXT, "Report" TEXT)

What was the date when Chris Amon won?
SELECT "Date" FROM table_16752 WHERE "Winning driver" = 'Chris Amon'
SELECT "Date" FROM "table_16752" WHERE "Winning driver" = 'Chris Amon'