entrant constructor chassis engine tyre driver rounds
entrant
constructor
chassis
engine
tyre
driver
rounds
list length
list length
list length list_number list_number1 list_number2
text <d,text> <n, text> text text text <c, score>
scuderia ferrari spa sefac ferrari 156 ferrari 178 1.5 v6 d phil hill 1-3, 5-7
what was the average tyre used in the race ?
WP VBD-AUX DT JJ NNP VBN IN DT NN .
D
select distinct c5 from w