Table:
text: 1988–89 Philadelphia Flyers season
Playoffs
Wales Conference Finals
Game Date_ Opponent Score Series
1 May 1 @ Montreal Canadiens 3–1 Flyers lead 1–0
2 May 3 @ Montreal Canadiens 0–3 Series tied 1–1
3 May 5 Montreal Canadiens 1–5 Canadiens lead 2–1
4 May 7 Montreal Canadiens 0–3 Canadiens lead 3–1
5 May 9 @ Montreal Canadiens 2–1 OT Canadiens lead 3–2
6 May 11 Montreal Canadiens 2–4 Canadiens win 4–2

Question: What was the opponent on May 9 after game three of the 1988-89 Philadelphia Flyers season in Wales Conference Finals?