Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Manufacturer | Start | Finish | Team |
| --- | --- | --- | --- | --- |
| 1962.0 | Ford | 21.0 | 48.0 | Julian Buesink |
| 1964.0 | Ford | 22.0 | 17.0 | Herman Beam |
| 1965.0 | Ford | 32.0 | 9.0 | Gary Weaver |
| 1966.0 | Ford | 19.0 | 2.0 | Matthews |
| 1967.0 | Mercury) | 8.0 | 39.0 | Wood |
| 1968.0 | Mercury | 1.0 | 1.0 | Wood |
| 1969.0 | Mercury | 5.0 | 38.0 | Wood |
| 1970.0 | Mercury | 1.0 | 37.0 | Wood |
| 1971.0 | Plymouth | 13.0 | 33.0 | Ray Fox |
| 1972.0 | Plymouth | 16.0 | 6.0 | Ray Fox |
| 1973.0 | Chevrolet | 3.0 | 22.0 | Richard Howard |
| 1974.0 | Chevrolet | 4.0 | 2.0 | Richard Howard |
| 1975.0 | Chevrolet | 6.0 | 3.0 | Johnson |
| 1976.0 | Chevrolet | 14.0 | 42.0 | Johnson |
| 1977.0 | Oldsmobile | 4.0 | 1.0 | Johnson |
| 1978.0 | Oldsmobile | 1.0 | 2.0 | Johnson |
| 1979.0 | Oldsmobile | 3.0 | 5.0 | Johnson |
| 1980.0 | Oldsmobile | 5.0 | 19.0 | Johnson |
| 1981.0 | Oldsmobile | 29.0 | 8.0 | Anderson |
| 1982.0 | Buick | 3.0 | 2.0 | Anderson |
| 1983.0 | Pontiac | 8.0 | 1.0 | Ranier |
| 1984.0 | Chevrolet | 1.0 | 1.0 | Ranier |
| 1985.0 | Ford | 2.0 | 36.0 | Ranier |
| 1986.0 | Ford | 13.0 | 27.0 | Ranier |
| 1987.0 | Oldsmobile | 22.0 | 10.0 | Yarborough |
| 1988.0 | Oldsmobile | 32.0 | 38.0 | Yarborough |
Question:
What is the smallest finish time for a race after 1972 with a car manufactured by pontiac?
Answer:
1.0