CREATE TABLE table_1347 ("Num" FLOAT, "Team" CLOB, "W" FLOAT, "L" FLOAT, "PCT" CLOB, "PF" FLOAT, "PA" FLOAT, "Last appearance" FLOAT, "Last championship" FLOAT, "HOME games" FLOAT, "Home wins" FLOAT, "Home losses" FLOAT, "Home Win Pct." CLOB, "ROAD games" FLOAT, "Road wins" FLOAT, "Road losses" FLOAT, "Road Win Pct." CLOB)

Name the number of last appearance where team is san francisco 49ers
SELECT COUNT("Last appearance") FROM table_1347 WHERE "Team" = 'San Francisco 49ers'
SELECT COUNT("Last appearance") FROM "table_1347" WHERE "Team" = 'San Francisco 49ers'