CREATE TABLE table_2966 ("Year" FLOAT, "Champions" CLOB, "Runners-up" CLOB, "Score in the final" CLOB, "3rd-place" CLOB, "4th-place" CLOB)

In what year did Hougang United finish in 4th place?
SELECT "Year" FROM table_2966 WHERE "4th-place" = 'Hougang United'
SELECT "Year" FROM "table_2966" WHERE "4th-place" = 'Hougang United'