Question: Which Harry Potter film was #2 when Kamen Rider Decade: All Riders vs. Dai-Shocker opened at the #1 spot?
{'answer': 'Harry Potter and the Half-Blood Prince', 'supporting_facts': [['Kamen Rider Decade: All Riders vs. Dai-Shocker', 1], ['Kamen Rider Decade: All Riders vs. Dai-Shocker', 2], ['Harry Potter and the Half-Blood Prince (film)', 0]]}