[['year', 'entrant', 'chassis', 'engine', 'points'], ['1974', 'dalton - amon international', 'amon af101', 'cosworth v8', '0'], ['1976', 'hb bewaking alarm systems', 'boro ensign n175', 'cosworth v8', '0'], ['1976', 'martini racing', 'brabham bt45', 'alfa romeo flat 12', '0'], ['1977', 'rotary watches stanley brm', 'brm p207', 'brm v12', '0'], ['1977', 'rotary watches stanley brm', 'brm p201b / 204', 'brm v12', '0'], ['1977', 'team surtees', 'surtees ts19', 'cosworth v8', '0']]
the table shows 6 race for the period 1974 to 1977
the table shows 6 race for the period [ENT] to [ENT]