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:
| Date | Visitor | Score | Home | Decision | Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- |
| December 1 | Atlanta | 4 – 0 | NY Islanders | Lehtonen | 15355.0 | 12–13–0 |
| December 2 | Atlanta | 2 – 3 | New Jersey | Hedberg | 14978.0 | 12–13–1 |
| December 5 | NY Islanders | 3 – 4 | Atlanta | Lehtonen | 14018.0 | 13–13–1 |
| December 7 | NY Rangers | 2 – 4 | Atlanta | Hedberg | 18204.0 | 14–13–1 |
| December 8 | Atlanta | 3 – 6 | Washington | Lehtonen | 14014.0 | 14–14–1 |
| December 12 | Boston | 5 – 3 | Atlanta | Hedberg | 14265.0 | 14–15–1 |
| December 14 | Toronto | 4 – 0 | Atlanta | Lehtonen | 16424.0 | 14–16–1 |
| December 15 | Atlanta | 3 – 7 | Ottawa | Hedberg | 20082.0 | 14–17–1 |
| December 18 | Tampa Bay | 2 – 6 | Atlanta | Lehtonen | 14060.0 | 15–17–1 |
| December 20 | Ottawa | 2 – 3 | Atlanta | Lehtonen | 14085.0 | 16–17–1 |
| December 22 | Montreal | 2 – 3 | Atlanta | Lehtonen | 17153.0 | 17–17–1 |
| December 23 | Atlanta | 3 – 2 | St. Louis | Lehtonen | 17731.0 | 18–17–1 |
| December 26 | Atlanta | 0 – 2 | Columbus | Lehtonen | 15726.0 | 18–18–1 |
| December 27 | Florida | 5 – 3 | Atlanta | Lehtonen | 16080.0 | 18–19–1 |
| December 29 | Boston | 0 – 5 | Atlanta | Lehtonen | 18545.0 | 19–19–1 |
| December 31 | Atlanta | 2 – 5 | Boston | Lehtonen | 17565.0 | 19–20–1 |
Question:
What was the date of the game with a decision of Lehtonen and attended by more than 17,731 people?
Answer:
December 29