CREATE TABLE table_204_996 (id NUMBER, "no." CLOB, "air date" CLOB, "network" CLOB, "household\ rating" NUMBER, "viewers\ ( millions ) " CLOB)

which network had the all time top number of viewers ?
SELECT "network" FROM table_204_996 ORDER BY "viewers\n(millions)" DESC LIMIT 1
SELECT "network" FROM "table_204_996" ORDER BY "viewers\n(millions)" DESC FETCH FIRST 1 ROWS ONLY