article_title sport name birth_date
jan koller -lrb- sport shooter -rrb-
 sports shooting jan koller 11 august 1901
jan koller -lrb- sport shooter -rrb-

jan koller -lrb- born 11 august 1901 , date of death unknown -rrb- was a czech sports shooter .
he competed in the 50 m pistol event at the 1936 summer olympics .
