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It’s been a while since Soldier Field has seen a Bears win. Heck, the Blackhawks have won a meaningful game there—against Pittsburgh on March 1—since the Bears were victorious in their own stadium.

Yep, the Bears have had zero luck pulling out a victory on their home turf since last season. Across town, however, the Bulls and Blackhawks have amassed quite a few victories at the United Center during the Bears’ winless period. Which leads us to this week’s Bears Brain Teaser:

How many regular-season home wins have the Blackhawks and Bulls combined for at the United Center since the last Bears victory at Soldier Field?

ANSWER: 39

How we got there: The Bears last won at home against Dallas on Dec. 9. In that period, the Bulls have won 21 times at the UC and the Hawks 18 times. (Editor’s note: We will accept 38 if you answered the question after it was published Friday but before Saturday’s Hawks win at home.)

Thanks to all who entered, and look for the next challenge Friday!