Sentence:  We therefore turn to the question whether defendant's prior convictions for burglary and attempted burglary could be used as the basis for an enhancement under [California Penal Code] sections 667 and 1192.7. Both prior convictions <WSD>antedate</WSD> the effective date of section 667. 
Meaning of the word marked with <WSD> tags:  To occur before an event or time; to exist further back in time.