CREATE TABLE projects (project_id NUMBER, project_details CLOB)
CREATE TABLE ref_budget_codes (budget_type_code CLOB, budget_type_description CLOB)
CREATE TABLE ref_document_types (document_type_code CLOB, document_type_name CLOB, document_type_description CLOB)
CREATE TABLE statements (statement_id NUMBER, statement_details CLOB)
CREATE TABLE accounts (account_id NUMBER, statement_id NUMBER, account_details CLOB)
CREATE TABLE documents (document_id NUMBER, document_type_code CLOB, project_id NUMBER, document_date TIME, document_name CLOB, document_description CLOB, other_details CLOB)
CREATE TABLE documents_with_expenses (document_id NUMBER, budget_type_code CLOB, document_details CLOB)

Show the statement id and the statement detail for the statement with most number of accounts.
SELECT T1.statement_id, T2.statement_details FROM accounts AS T1 JOIN statements AS T2 ON T1.statement_id = T2.statement_id GROUP BY T1.statement_id ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T1"."statement_id", "T2"."statement_details" FROM "accounts" "T1" JOIN "statements" "T2" ON "T1"."statement_id" = "T2"."statement_id" GROUP BY "T1"."statement_id" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY