CREATE TABLE table_203_759 (id NUMBER, "year" NUMBER, "company" CLOB, "number of members affected" NUMBER, "duration of strike" CLOB, "notes" CLOB)

how long did the at & t strike of 2012 last ?
SELECT "duration of strike" FROM table_203_759 WHERE "company" = 'at&t' AND "year" = 2012
SELECT "duration of strike" FROM "table_203_759" WHERE "company" = 'at&t' AND "year" = 2012