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![LeetCode 584: Find Customer Referee [SQL]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2Fl3L0Tz6bl5w%2Fhq720.jpg%3Fsqp%3D-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE%3D%26rs%3DAOn4CLAMZ09eyVbyowjb7TSzEGzjG_R9Bw&w=256&q=75)
![LeetCode 584 - Find Customer Referee (Python and SQL) [EASY]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FWcA9WSSNVLM%2Fhq720.jpg%3Fsqp%3D-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE%3D%26rs%3DAOn4CLD3eYUDsJE15mnB67cnKzOUuxtnnA&w=256&q=75)
