Assertion: hitter | /r/CapableOf | last for at least nine innings
Facets:
value: under the current rule
type: TEMPORAL
value: to count
type: PURPOSE
Source sentences:
text: Until 1991, any such game in which a pitcher held the opposing team without hits was considered an official no-hitter; however under the current rule, a no-hitter must last for at least nine innings to count.