Q: Does "After 1949 a variety of improvements in recording and playback technologies, especially stereo recordings, which became widely available in 1958, gave a boost to the "hi-fi" classification of products, leading to sales of individual components for the home such as amplifiers, loudspeakers, phonographs, and tape players." provide a valid answer to "What happened in 1958 that changed the home music scene?"?
A: yes

Q: Does "This database is used by many computer software systems, including most Unix-like operating systems, Java, and the Oracle RDBMS; HP's "tztab" database is similar but incompatible." provide a valid answer to "What's the name of the HP database that's similar to IANA but not compatible with it?"?
A: yes

Q: Does "After his return, he removed many restrictions on churches and spiritual institutions in Yugoslavia." provide a valid answer to "Where did Tito visit from 1954 to 1955?"?
A: no

Q: Does "On January 7, 2012, Beyonce gave birth to her first child, a daughter, Blue Ivy Carter, at Lenox Hill Hospital in New York." provide a valid answer to "Beyonce's first child is named what?"?
A:
yes