CREATE TABLE table_3895 ("Model - Computer name" TEXT, "CPU type" TEXT, "No. of processors" TEXT, "Period of operation" TEXT, "Maximum peak performance  (  Teraflops  ) " TEXT, "Use" TEXT)

Name the number of processors for october 2006 - january 2010
SELECT "No. of processors" FROM table_3895 WHERE "Period of operation" = 'October 2006 - January 2010'
SELECT "No. of processors" FROM "table_3895" WHERE "Period of operation" = 'October 2006 - January 2010'