The biographical war film about Lyudmila Pavlichenko, the most successful female sniper in history, credits her with how many kills? 
Battle for Sevastopol: Battle for Sevastopol (Ukrainian: "Незламна" "Indestructible"; Russian: "Битва за Севастополь" ) is a 2015 biographical war film about Lyudmila Pavlichenko, a young Soviet Ukrainian who joined the Red Army to fight the Nazi invasion of the USSR and became one of the deadliest snipers in World War II. Lyudmila Pavlichenko:  Credited with 309 kills, she is regarded as one of the top military snipers of all time and the most successful female sniper in history.
Credited with 309 kills