Task: Transfer data from Postgres to Excel

n8n workflow:
{"nodes":[{"name":"Run Query","type":"n8n-nodes-base.postgres","position":[450,450],"parameters":{"query":"SELECT name, ean FROM product","operation":"executeQuery"},"credentials":{"postgres":"postgres"},"typeVersion":1},{"name":"Spreadsheet File","type":"n8n-nodes-base.spreadsheetFile","position":[600,450],"parameters":{"operation":"toFile"},"typeVersion":1},{"name":"Write Binary File","type":"n8n-nodes-base.writeBinaryFile","position":[750,450],"parameters":{"fileName":"spreadsheet.xls"},"typeVersion":1}],"connections":{"Run Query":{"main":[[{"node":"Spreadsheet File","type":"main","index":0}]]},"Spreadsheet File":{"main":[[{"node":"Write Binary File","type":"main","index":0}]]}}}