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:
| Position | Appearances | Goals | First appearance | Last appearance |
| --- | --- | --- | --- | --- |
| GK | 1.0 | 0.0 | 1990.0 | 1990.0 |
| FW | 12.0 | 4.0 | 1954.0 | 1959.0 |
| FW | 3.0 | 2.0 | 1963.0 | 1966.0 |
| DF | 9.0 | 1.0 | 1983.0 | 1985.0 |
| FW | 1.0 | 0.0 | 1980.0 | 1980.0 |
| FW | 2.0 | 2.0 | 1963.0 | 1964.0 |
| FW | 1.0 | 0.0 | 1959.0 | 1959.0 |
| DF | 3.0 | 0.0 | 1954.0 | 1954.0 |
| DF | 17.0 | 0.0 | 1979.0 | 1984.0 |
| FW | 2.0 | 0.0 | 1956.0 | 1956.0 |
| GK | 1.0 | 0.0 | 1984.0 | 1984.0 |
| FW | 1.0 | 0.0 | 1961.0 | 1961.0 |
| MF | 9.0 | 0.0 | 1981.0 | 1985.0 |
| MF | 1.0 | 0.0 | 1961.0 | 1961.0 |
| GK | 19.0 | 0.0 | 1966.0 | 1974.0 |
| DF | 4.0 | 0.0 | 1990.0 | 1990.0 |
| MF | 2.0 | 0.0 | 1989.0 | 1990.0 |
| FW | 1.0 | 0.0 | 1982.0 | 1982.0 |
| GK | 3.0 | 0.0 | 1989.0 | 1990.0 |
| DF | 72.0 | 3.0 | 1967.0 | 1976.0 |
| DF | 4.0 | 0.0 | 1979.0 | 1980.0 |
| DF | 3.0 | 0.0 | 1990.0 | 1990.0 |
| GK | 2.0 | 0.0 | 1954.0 | 1957.0 |
| DF | 6.0 | 0.0 | 1954.0 | 1957.0 |
| FW | 3.0 | 1.0 | 1983.0 | 1983.0 |
| DF | 1.0 | 0.0 | 1972.0 | 1972.0 |
| GK | 94.0 | 0.0 | 1967.0 | 1981.0 |
| DF | 3.0 | 0.0 | 1974.0 | 1974.0 |
| DF | 1.0 | 0.0 | 1983.0 | 1983.0 |
| DF | 2.0 | 0.0 | 1969.0 | 1969.0 |
| MF | 100.0 | 9.0 | 1969.0 | 1985.0 |
| DF | 40.0 | 2.0 | 1982.0 | 1988.0 |
| MF | 29.0 | 7.0 | 1986.0 | 1990.0 |
| DF | 2.0 | 0.0 | 1958.0 | 1958.0 |
| FW | 2.0 | 0.0 | 1961.0 | 1962.0 |
| FW | 66.0 | 15.0 | 1960.0 | 1975.0 |
| FW | 37.0 | 5.0 | 1958.0 | 1967.0 |
| MF | 6.0 | 3.0 | 1978.0 | 1979.0 |
| DF | 8.0 | 0.0 | 1952.0 | 1956.0 |
| FW | 3.0 | 1.0 | 1966.0 | 1966.0 |
| MF | 47.0 | 12.0 | 1959.0 | 1968.0 |
| FW | 56.0 | 20.0 | 1981.0 | 1990.0 |
| DF | 1.0 | 0.0 | 1963.0 | 1963.0 |
| MF | 4.0 | 0.0 | 1958.0 | 1960.0 |
| FW | 33.0 | 4.0 | 1963.0 | 1970.0 |
| DF | 5.0 | 0.0 | 1958.0 | 1959.0 |
| FW | 2.0 | 0.0 | 1953.0 | 1954.0 |
| FW | 5.0 | 2.0 | 1956.0 | 1960.0 |
| FW | 1.0 | 0.0 | 1957.0 | 1957.0 |
| FW | 56.0 | 19.0 | 1961.0 | 1974.0 |
| DF | 14.0 | 0.0 | 1973.0 | 1977.0 |
| GK | 8.0 | 0.0 | 1962.0 | 1964.0 |
| FW | 2.0 | 0.0 | 1955.0 | 1955.0 |
| FW | 2.0 | 0.0 | 1952.0 | 1952.0 |
| DF | 13.0 | 0.0 | 1969.0 | 1973.0 |
| DF | 15.0 | 1.0 | 1965.0 | 1967.0 |
| FW | 9.0 | 1.0 | 1984.0 | 1986.0 |
| GK | 21.0 | 0.0 | 1975.0 | 1981.0 |
| DF | 8.0 | 0.0 | 1976.0 | 1979.0 |
| GK | 1.0 | 0.0 | 1958.0 | 1958.0 |
| FW | 3.0 | 2.0 | 1984.0 | 1989.0 |
| MF | 1.0 | 0.0 | 1953.0 | 1953.0 |
| MF | 58.0 | 5.0 | 1971.0 | 1984.0 |
| MF | 4.0 | 1.0 | 1984.0 | 1989.0 |
| MF | 3.0 | 0.0 | 1969.0 | 1974.0 |
| MF | 4.0 | 0.0 | 1989.0 | 1990.0 |
| DF | 9.0 | 1.0 | 1978.0 | 1982.0 |
| FW | 12.0 | 2.0 | 1975.0 | 1978.0 |
| MF | 1.0 | 0.0 | 1990.0 | 1990.0 |
| DF | 29.0 | 2.0 | 1958.0 | 1964.0 |
| GK | 7.0 | 0.0 | 1963.0 | 1965.0 |
| DF | 1.0 | 0.0 | 1962.0 | 1962.0 |
| DF | 7.0 | 0.0 | 1989.0 | 1990.0 |
| FW | 17.0 | 4.0 | 1980.0 | 1985.0 |
| GK | 9.0 | 0.0 | 1979.0 | 1990.0 |
| FW | 66.0 | 16.0 | 1973.0 | 1981.0 |
| FW | 6.0 | 0.0 | 1961.0 | 1968.0 |
| MF | 1.0 | 0.0 | 1954.0 | 1954.0 |
| MF | 1.0 | 0.0 | 1957.0 | 1957.0 |
| FW | 1.0 | 0.0 | 1953.0 | 1953.0 |
| MF | 41.0 | 4.0 | 1966.0 | 1974.0 |
| GK | 1.0 | 0.0 | 1957.0 | 1957.0 |
| MF | 1.0 | 0.0 | 1986.0 | 1986.0 |
| FW | 3.0 | 1.0 | 1982.0 | 1982.0 |
| MF | 31.0 | 1.0 | 1955.0 | 1964.0 |
| FW | 1.0 | 0.0 | 1954.0 | 1954.0 |
| DF | 7.0 | 0.0 | 1960.0 | 1961.0 |
| FW | 49.0 | 14.0 | 1985.0 | 1990.0 |
| DF | 63.0 | 0.0 | 1971.0 | 1980.0 |
| GK | 3.0 | 0.0 | 1952.0 | 1953.0 |
| FW | 4.0 | 5.0 | 1963.0 | 1964.0 |
| FW | 6.0 | 1.0 | 1958.0 | 1961.0 |
| DF | 2.0 | 0.0 | 1989.0 | 1989.0 |
| MF | 33.0 | 4.0 | 1962.0 | 1969.0 |
| FW | 1.0 | 1.0 | 1959.0 | 1959.0 |
| DF | 1.0 | 0.0 | 1984.0 | 1984.0 |
| FW | 21.0 | 3.0 | 1976.0 | 1980.0 |
| DF | 2.0 | 0.0 | 1988.0 | 1990.0 |
| DF | 28.0 | 0.0 | 1959.0 | 1965.0 |
| MF | 4.0 | 2.0 | 1981.0 | 1985.0 |
| FW | 2.0 | 0.0 | 1953.0 | 1956.0 |
| MF | 2.0 | 0.0 | 1985.0 | 1985.0 |
| DF | 1.0 | 0.0 | 1975.0 | 1975.0 |
| DF | 65.0 | 2.0 | 1982.0 | 1989.0 |
| FW | 50.0 | 25.0 | 1968.0 | 1975.0 |
| DF | 1.0 | 0.0 | 1957.0 | 1957.0 |
| MF | 1.0 | 0.0 | 1987.0 | 1987.0 |
| DF | 1.0 | 0.0 | 1961.0 | 1961.0 |
| FW | 13.0 | 5.0 | 1978.0 | 1983.0 |
| DF | 66.0 | 4.0 | 1970.0 | 1981.0 |
| MF | 33.0 | 3.0 | 1973.0 | 1977.0 |
| FW | 2.0 | 0.0 | 1955.0 | 1958.0 |
| MF | 4.0 | 0.0 | 1986.0 | 1986.0 |
| DF | 1.0 | 0.0 | 1989.0 | 1989.0 |
| DF | 59.0 | 3.0 | 1980.0 | 1988.0 |
| MF | 16.0 | 1.0 | 1960.0 | 1965.0 |
| GK | 1.0 | 0.0 | 1972.0 | 1972.0 |
| DF | 21.0 | 2.0 | 1977.0 | 1980.0 |
| FW | 6.0 | 0.0 | 1959.0 | 1962.0 |
| DF | 22.0 | 0.0 | 1987.0 | 1990.0 |
| FW | 2.0 | 0.0 | 1962.0 | 1962.0 |
| FW | 43.0 | 12.0 | 1967.0 | 1977.0 |
| DF | 1.0 | 0.0 | 1955.0 | 1955.0 |
| GK | 1.0 | 0.0 | 1956.0 | 1956.0 |
| FW | 4.0 | 0.0 | 1987.0 | 1989.0 |
| MF | 7.0 | 0.0 | 1959.0 | 1962.0 |
| FW | 3.0 | 1.0 | 1974.0 | 1974.0 |
| FW | 2.0 | 0.0 | 1952.0 | 1954.0 |
| FW | 3.0 | 1.0 | 1952.0 | 1954.0 |
| FW | 2.0 | 0.0 | 1954.0 | 1954.0 |
| FW | 16.0 | 2.0 | 1954.0 | 1961.0 |
| FW | 36.0 | 8.0 | 1983.0 | 1989.0 |
| MF | 2.0 | 0.0 | 1990.0 | 1990.0 |
| MF | 1.0 | 0.0 | 1969.0 | 1969.0 |
| FW | 1.0 | 0.0 | 1984.0 | 1984.0 |
| MF | 17.0 | 1.0 | 1958.0 | 1965.0 |
| MF | 18.0 | 0.0 | 1955.0 | 1960.0 |
| FW | 13.0 | 5.0 | 1957.0 | 1962.0 |
| MF | 5.0 | 0.0 | 1977.0 | 1978.0 |
| MF | 3.0 | 0.0 | 1953.0 | 1954.0 |
| DF | 2.0 | 0.0 | 1976.0 | 1976.0 |
| DF | 4.0 | 0.0 | 1980.0 | 1980.0 |
| GK | 46.0 | 0.0 | 1984.0 | 1989.0 |
| FW | 11.0 | 2.0 | 1960.0 | 1965.0 |
| DF | 1.0 | 0.0 | 1968.0 | 1968.0 |
| MF | 2.0 | 0.0 | 1978.0 | 1981.0 |
| MF | 1.0 | 0.0 | 1984.0 | 1984.0 |
| DF | 2.0 | 0.0 | 1979.0 | 1981.0 |
| FW | 30.0 | 16.0 | 1960.0 | 1969.0 |
| DF | 3.0 | 0.0 | 1953.0 | 1954.0 |
| MF | 25.0 | 4.0 | 1962.0 | 1967.0 |
| FW | 7.0 | 0.0 | 1983.0 | 1987.0 |
| DF | 5.0 | 1.0 | 1990.0 | 1990.0 |
| FW | 9.0 | 1.0 | 1978.0 | 1979.0 |
| FW | 2.0 | 0.0 | 1958.0 | 1959.0 |
| MF | 35.0 | 0.0 | 1982.0 | 1989.0 |
| MF | 57.0 | 3.0 | 1972.0 | 1983.0 |
| DF | 1.0 | 0.0 | 1978.0 | 1978.0 |
| MF | 20.0 | 2.0 | 1982.0 | 1988.0 |
| MF | 3.0 | 0.0 | 1978.0 | 1979.0 |
| DF | 6.0 | 0.0 | 1987.0 | 1990.0 |
| FW | 7.0 | 1.0 | 1971.0 | 1973.0 |
| FW | 15.0 | 4.0 | 1982.0 | 1987.0 |
| FW | 4.0 | 0.0 | 1974.0 | 1978.0 |
| FW | 41.0 | 6.0 | 1975.0 | 1982.0 |
| FW | 11.0 | 1.0 | 1967.0 | 1971.0 |
| DF | 1.0 | 0.0 | 1988.0 | 1988.0 |
| FW | 5.0 | 0.0 | 1990.0 | 1990.0 |
| DF | 42.0 | 1.0 | 1984.0 | 1989.0 |
| MF | 2.0 | 0.0 | 1952.0 | 1952.0 |
| GK | 33.0 | 0.0 | 1979.0 | 1988.0 |
| FW | 2.0 | 0.0 | 1977.0 | 1977.0 |
| DF | 16.0 | 0.0 | 1984.0 | 1987.0 |
| MF | 17.0 | 0.0 | 1970.0 | 1973.0 |
| MF | 23.0 | 6.0 | 1986.0 | 1990.0 |
| MF | 31.0 | 5.0 | 1975.0 | 1980.0 |
| DF | 5.0 | 0.0 | 1955.0 | 1956.0 |
| FW | 3.0 | 0.0 | 1974.0 | 1974.0 |
| MF | 5.0 | 0.0 | 1952.0 | 1958.0 |
| MF | 5.0 | 0.0 | 1970.0 | 1971.0 |
| DF | 7.0 | 1.0 | 1976.0 | 1981.0 |
| GK | 3.0 | 0.0 | 1969.0 | 1973.0 |
| MF | 45.0 | 6.0 | 1973.0 | 1983.0 |
| MF | 12.0 | 0.0 | 1952.0 | 1957.0 |
| MF | 3.0 | 0.0 | 1954.0 | 1954.0 |
| DF | 18.0 | 0.0 | 1986.0 | 1990.0 |
| MF | 7.0 | 0.0 | 1987.0 | 1990.0 |
| FW | 39.0 | 13.0 | 1952.0 | 1962.0 |
| FW | 3.0 | 0.0 | 1972.0 | 1972.0 |
| MF | 3.0 | 0.0 | 1984.0 | 1985.0 |
| DF | 3.0 | 1.0 | 1984.0 | 1985.0 |
| GK | 1.0 | 0.0 | 1974.0 | 1974.0 |
| DF | 10.0 | 0.0 | 1963.0 | 1969.0 |
| MF | 21.0 | 0.0 | 1972.0 | 1975.0 |
| MF | 1.0 | 0.0 | 1980.0 | 1980.0 |
| DF | 7.0 | 0.0 | 1958.0 | 1963.0 |
| FW | 53.0 | 15.0 | 1969.0 | 1977.0 |
| FW | 2.0 | 0.0 | 1952.0 | 1958.0 |
| GK | 29.0 | 0.0 | 1954.0 | 1962.0 |
| DF | 46.0 | 2.0 | 1982.0 | 1989.0 |
| FW | 22.0 | 2.0 | 1962.0 | 1973.0 |
| MF | 28.0 | 1.0 | 1978.0 | 1985.0 |
| MF | 23.0 | 3.0 | 1986.0 | 1990.0 |
| FW | 6.0 | 4.0 | 1963.0 | 1965.0 |
| MF | 4.0 | 0.0 | 1982.0 | 1986.0 |
| FW | 104.0 | 55.0 | 1969.0 | 1984.0 |
| MF | 15.0 | 1.0 | 1970.0 | 1971.0 |
| DF | 6.0 | 0.0 | 1980.0 | 1982.0 |
| MF | 47.0 | 1.0 | 1984.0 | 1990.0 |
| MF | 4.0 | 1.0 | 1975.0 | 1980.0 |
| GK | 4.0 | 0.0 | 1958.0 | 1959.0 |
| FW | 51.0 | 16.0 | 1984.0 | 1990.0 |
| FW | 1.0 | 0.0 | 1952.0 | 1952.0 |
| MF | 14.0 | 1.0 | 1983.0 | 1989.0 |
| DF | 18.0 | 0.0 | 1980.0 | 1984.0 |
| FW | 8.0 | 1.0 | 1980.0 | 1982.0 |
| FW | 15.0 | 11.0 | 1954.0 | 1959.0 |
| DF | 17.0 | 0.0 | 1981.0 | 1984.0 |
| DF | 4.0 | 0.0 | 1973.0 | 1975.0 |
| DF | 1.0 | 0.0 | 1980.0 | 1980.0 |
| DF | 13.0 | 0.0 | 1980.0 | 1983.0 |
| MF | 7.0 | 0.0 | 1954.0 | 1964.0 |
| DF | 34.0 | 0.0 | 1961.0 | 1969.0 |
| DF | 1.0 | 0.0 | 1982.0 | 1982.0 |
| FW | 75.0 | 25.0 | 1962.0 | 1976.0 |
| FW | 4.0 | 1.0 | 1959.0 | 1959.0 |
| DF | 24.0 | 0.0 | 1972.0 | 1975.0 |
| DF | 4.0 | 0.0 | 1959.0 | 1963.0 |
| FW | 1.0 | 0.0 | 1962.0 | 1962.0 |
| MF | 16.0 | 0.0 | 1965.0 | 1967.0 |
| MF | 35.0 | 5.0 | 1975.0 | 1980.0 |
| FW | 10.0 | 0.0 | 1985.0 | 1990.0 |
| GK | 12.0 | 0.0 | 1962.0 | 1968.0 |
| DF | 86.0 | 2.0 | 1970.0 | 1981.0 |
| GK | 15.0 | 0.0 | 1984.0 | 1989.0 |
| DF | 1.0 | 0.0 | 1970.0 | 1970.0 |
| FW | 28.0 | 10.0 | 1954.0 | 1962.0 |
| DF | 2.0 | 0.0 | 1952.0 | 1952.0 |
| MF | 10.0 | 0.0 | 1955.0 | 1957.0 |
| MF | 17.0 | 0.0 | 1955.0 | 1959.0 |
| MF | 7.0 | 0.0 | 1989.0 | 1990.0 |
| DF | 6.0 | 0.0 | 1967.0 | 1968.0 |
| FW | 4.0 | 2.0 | 1987.0 | 1990.0 |
| DF | 4.0 | 0.0 | 1957.0 | 1958.0 |
| DF | 16.0 | 0.0 | 1969.0 | 1975.0 |
| MF | 38.0 | 5.0 | 1982.0 | 1988.0 |
| GK | 1.0 | 0.0 | 1962.0 | 1962.0 |
Question:
What is the average goals when the last appearance was before 1984, there were more than 17 appearances, the first appearance was before 1961 and the position was mf?
Answer:
4.333333333333333