Assertion: tower's foot | /r/HasProperty | 440 m
Facets:
Source sentences:
text: However, the tower only held its record until May 1973, when Chicago's Sears Tower (now Willis Tower), which was 1,450 feet (440 m) tall at the rooftop, was completed.
text: However, the tower only held its record until May 1973, when Chicago's Sears Tower (now Willis Tower), which was 1,450 feet (440 m) tall at the rooftop, was completed.