Problem: Does "She posted in response that half of the tracks would not be used on the final release, while the other half had "changed and evolved"." answer the question "When did Madonna's album demo leaked online?"

A: no

Problem: Does "To keep up this population growth, the KMC-controlled area of 5,076.6 hectares (12,545 acres) has expanded to 8,214 hectares (20,300 acres) in 2001." answer the question "How many acres of land did the KMC control in 2001?"

A: yes

Problem: Does "The craze to build the most opulent residence possible reached its height in the last half of the 18th century." answer the question "When did the construction of exuberant houses slow down?"

A:
yes