user: Question: What is the assembled date of the parliament elected in 1620/21?
Columns: ['Elected', 'Assembled', 'Dissolved', '1st member', '2nd member']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1604', '19 March 1604', '9 February 1611', 'Sir Humphrey Winch (made judge 1606)', 'Thomas Hawes']
SQL:

assistant: SELECT "Assembled" FROM "Table" WHERE "Elected" = '1620/21';