CREATE TABLE table_79958 ("Year built" CLOB, "Builder" CLOB, "Model" CLOB, "Fleet ID" CLOB, "Seats" FLOAT)

In what year was the ctc-3 model built?
SELECT "Year built" FROM table_79958 WHERE "Model" = 'ctc-3'
SELECT "Year built" FROM "table_79958" WHERE "Model" = 'ctc-3'