how many teams have used the stadium which hosted the biathlon at the 1994 winter olympics – women's individual ?
SELECT DISTINCT COUNT attr_open var_uri attr_close where brack_open dbr_Biathlon_at_the_1994_Winter_Olympics_–_Women's_individual dbp_venue var_x sep_dot var_x dbo_tenant var_uri sep_dot var_x a dbo_Stadium brack_close