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 | Date | Home Team | Result | Visiting Team | Venue | Attendance |
| --- | --- | --- | --- | --- | --- | --- |
| 1990.0 | November 25 | San Francisco 49ers | 17-28 | Los Angeles Rams | Candlestick Park | 62633.0 |
| 1990.0 | December 17 | Los Angeles Rams | 10-26 | San Francisco 49ers | Anaheim Stadium | 65619.0 |
| 1991.0 | September 22 | San Francisco 49ers | 27-10 | Los Angeles Rams | Candlestick Park | 63871.0 |
| 1991.0 | November 25 | Los Angeles Rams | 10-33 | San Francisco 49ers | Anaheim Stadium | 61881.0 |
| 1992.0 | October 4 | San Francisco 49ers | 27-24 | Los Angeles Rams | Candlestick Park | 63071.0 |
| 1992.0 | November 22 | Los Angeles Rams | 10-27 | San Francisco 49ers | Anaheim Stadium | 65858.0 |
| 1993.0 | October 31 | San Francisco 49ers | 40-17 | Los Angeles Rams | Candlestick Park | 63417.0 |
| 1993.0 | November 28 | Los Angeles Rams | 10-35 | San Francisco 49ers | Anaheim Stadium | 62143.0 |
| 1994.0 | September 18 | Los Angeles Rams | 19-34 | San Francisco 49ers | Anaheim Stadium | 56479.0 |
| 1994.0 | November 20 | San Francisco 49ers | 31-27 | Los Angeles Rams | Candlestick Park | 62774.0 |
| 1995.0 | October 22 | St. Louis Rams | 10-44 | San Francisco 49ers | Busch Memorial Stadium | 59915.0 |
| 1995.0 | November 26 | San Francisco 49ers | 41-13 | St. Louis Rams | Candlestick Park | 70031.0 |
| 1996.0 | September 8 | San Francisco 49ers | 34-0 | St. Louis Rams | Candlestick Park | 63624.0 |
| 1996.0 | October 6 | St. Louis Rams | 11-28 | San Francisco 49ers | Trans World Dome | 61260.0 |
| 1997.0 | September 7 | St. Louis Rams | 12-15 | San Francisco 49ers | Trans World Dome | 64630.0 |
| 1997.0 | October 12 | San Francisco 49ers | 30-10 | St. Louis Rams | Candlestick park | 63825.0 |
| 1998.0 | October 25 | St. Louis Rams | 10-28 | San Francisco 49ers | Trans World Dome | 58563.0 |
| 1998.0 | December 27 | San Francisco 49ers | 38-19 | St. Louis Rams | Candlestick Park | 68386.0 |
| 1999.0 | October 10 | St. Louis Rams | 42-20 | San Francisco 49ers | Trans World Dome | 65872.0 |
| 1999.0 | November 21 | San Francisco 49ers | 7-23 | St. Louis Rams | Candlestick Park | 68193.0 |
Question:
What is the average Attendance, when Venue is "Candlestick Park", and when Date is "December 27"?
Answer:
68386.0