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 | Attendance | Record | Points |
| --- | --- | --- | --- | --- | --- | --- |
| December 1 | Pittsburgh | 4–4 | Oakland | 2676.0 | 5–12–5 | 15.0 |
| December 4 | Detroit | 7–2 | Pittsburgh | 4451.0 | 5–13–5 | 15.0 |
| December 7 | Pittsburgh | 1–1 | St. Louis | 15057.0 | 5–13–6 | 16.0 |
| December 8 | Toronto | 4–1 | Pittsburgh | 5167.0 | 5–14–6 | 16.0 |
| December 11 | Pittsburgh | 4–2 | Minnesota | 10068.0 | 6–14–6 | 18.0 |
| December 14 | Los Angeles | 2–1 | Pittsburgh | 6346.0 | 6–15–6 | 18.0 |
| December 15 | Pittsburgh | 3–5 | Boston | 14436.0 | 6–16–6 | 18.0 |
| December 17 | Pittsburgh | 2–8 | Philadelphia | 6986.0 | 6–17–6 | 18.0 |
| December 21 | Minnesota | 3–1 | Pittsburgh | 5307.0 | 6–18–6 | 18.0 |
| December 22 | Pittsburgh | 1–3 | Chicago | 16666.0 | 6–19–6 | 18.0 |
| December 25 | Detroit | 3–6 | Pittsburgh | 2420.0 | 7–19–6 | 20.0 |
| December 26 | Pittsburgh | 2–3 | St. Louis | 15056.0 | 7–20–6 | 20.0 |
| December 28 | Oakland | 4–3 | Pittsburgh | 8196.0 | 7–21–6 | 20.0 |
| December 31 | Montreal | 4–3 | Pittsburgh | 3979.0 | 7–22–6 | 20.0 |
Question:
What is Score, when Visitor is "Pittsburgh", and when Points is greater than 18?
Answer:
2–3