ydb/yt/yql/tests/sql/suites/count/input2.txt

{"key"="1";"subkey"="10";"value"="FOO"};
{"key"="1";"subkey"="20";"value"="BAR"};
{"key"="1";"subkey"="30";"value"="BAR"};
{"key"="0";"subkey"="40";"value"="FOO"};