Q: Does "Few anti-aircraft guns had fire-control systems, and the underpowered searchlights were usually ineffective against aircraft at altitudes above 12,000 ft (3,700 m)." provide a valid answer to "What is believed to have caused many civilian casualties from anti-aircraft guns?"?
A: no

Q: Does "An MP3.com report stated that this was virtually unachievable under real-life usage conditions, with a writer for MP3.com getting on average less than 8 hours from an iPod." provide a valid answer to "In what year was Apple sued for issues relating to its battery life?"?
A: no

Q: Does "(2006), a significant proportion of the maternal lineages of Somalis consists of the M1 haplogroup." provide a valid answer to "When did Richards publish his mtDNA research?"?
A: yes

Q: Does "and who advocated the "way of the warrior as death"." provide a valid answer to "When was Takeda born?"?
A:
no