user: Question: What is 2nd Member, when Assembled is "30 March 1298"?
Columns: ['Summoned', 'Elected', 'Assembled', '1st member', '2nd member']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['30 September 1295+', '1295', '27 November 1295', 'John Cullebere', 'Simon de Holand']
SQL:

assistant: SELECT "2nd member" FROM "Table" WHERE "Assembled" = '30 March 1298';