CREATE TABLE Statements (statement_details VARCHAR, statement_id VARCHAR)
CREATE TABLE Accounts (statement_id VARCHAR)

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" AS "T1" JOIN "Statements" AS "T2" ON "T1"."statement_id" = "T2"."statement_id" GROUP BY "T1"."statement_id" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1