#0  0xa7ed74e9 in __gnu_cxx::__exchange_and_add () from /usr/lib/gcc/i686-pc-linux-gnu/4.1.1/libstdc++.so.6
#1  0xa7eba995 in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string () from /usr/lib/gcc/i686-pc-linux-gnu/4.1.1/libstdc++.so.6
#2  0x0804e963 in ~Query (this=0x8052110) at /home/leo/School.Files/tufts/comp15/comp15/Query.h:11