CREATE TABLE "previous_computing_facilities" (
  "model_computer_name" text,
  "cpu_type" text,
  "no_of_processors" text,
  "period_of_operation" text,
  "maximum_peak_performance_teraflops" text,
  "use" text
);

Question: Name the use for amd opteron dual-core 2.6ghz
SQL: SELECT "use" FROM "previous_computing_facilities" WHERE "cpu_type"='AMD Opteron dual-core 2.6GHz';

Question: Name the number of processors for nec sx-4 vector processor
SQL: SELECT "no_of_processors" FROM "previous_computing_facilities" WHERE "cpu_type"='NEC SX-4 vector processor';

Question: Name the most peak performance for october 2006 - january 2010
SQL: SELECT "maximum_peak_performance_teraflops" FROM "previous_computing_facilities" WHERE "period_of_operation"='October 2006 - January 2010';

Question: Name the cpu type for  june 2005 - april 2009
SQL: SELECT "cpu_type" FROM "previous_computing_facilities" WHERE "period_of_operation"='June 2005 - April 2009';

Question: Name the total number of model for amd opteron dual-core 2.6ghz
SQL: SELECT COUNT("model_computer_name") FROM "previous_computing_facilities" WHERE "cpu_type"='AMD Opteron dual-core 2.6GHz';

Question: Name the number of processors for october 2006 - january 2010
SQL: SELECT "no_of_processors" FROM "previous_computing_facilities" WHERE "period_of_operation"='October 2006 - January 2010';