CREATE TABLE table_13154 ("Elected" CLOB, "Assembled" CLOB, "Dissolved" CLOB, "1st member" CLOB, "2nd member" CLOB)

What is the assembled date of the parliament elected in 1620/21?
SELECT "Assembled" FROM table_13154 WHERE "Elected" = '1620/21'
SELECT "Assembled" FROM "table_13154" WHERE "Elected" = '1620/21'