Assertion: steel track roller coaster | /r/HasProperty | matterhorn bobsleds
Facets:
Source sentences:
text: Those same roller coasters mark some industry firsts; the world's first tubular-tracked steel roller coaster (Matterhorn Bobsleds) and one of the longest steel-railed, looping coasters in the world (Incredicoaster at California Adventure).
text: In 1959, Disneyland opened the first steel-track roller coaster, the Matterhorn Bobsleds.