CREATE TABLE table_51960 ("Train No." CLOB, "Train Name" CLOB, "Origin" CLOB, "Destination" CLOB, "Frequency" CLOB)

From where did the train that arrived in the Anand Vihar Terminal originate?
SELECT "Origin" FROM table_51960 WHERE "Destination" = 'anand vihar terminal'
SELECT "Origin" FROM "table_51960" WHERE "Destination" = 'anand vihar terminal'