date of incident offender team offense date of action length
date of incident
offender
team
offense
date of action
length
number parsed year month day
number parsed year month day
first second first_number
date text text text date unitnum(text)
september 20, 2011 pierre-luc letourneau-leblond calgary flames boarding matt clackson september 22, 2011 5 games (4 pre-season, 1 regular season)
how many offenses occurred after april 21 , 2012 ?
WRB JJ NNS VBD IN NNP CD , CD .