{"v":2,"task":"Recommend three free resources for learning SQL. Hand in a text file listing the three links (with a one-line description each) and a small sample SQL query file.","deliverable":{"type":"file","prompt":"Recommend three free resources for learning SQL. Hand in a text file listing the three links (with a one-line description each) and a small sample SQL query file."},"criteria":[{"id":"c1","kind":"measure","gate":{"id":"non-empty"}},{"id":"c2","kind":"measure","gate":{"id":"min-length","chars":20}},{"id":"c3","kind":"measure","gate":{"id":"max-bytes","bytes":26214400}}],"judge":{"kind":"oracle","address":"ixo12mvzayzrzsvaud86jf9shy6q2nvkea3tygxhsh","rewardUixo":0},"access":"invite","approver":"ixo1v0n07taykp6mhesl0tj5lcz4zvkg92kthlaju7","via":"mcp"}