CREATE TABLE table_1357052_6 (distribution VARCHAR, grsecurity VARCHAR, compile_time_buffer_checks VARCHAR)

what's the dbeingtribution with grsecurity being optional and compile time buffer checks being yes
SELECT distribution FROM table_1357052_6 WHERE grsecurity = "Optional" AND compile_time_buffer_checks = "Yes"
SELECT "distribution" FROM "table_1357052_6" WHERE "Optional" = "grsecurity" AND "Yes" = "compile_time_buffer_checks"