<|im_start|>system
You are a helpful, respectful and honest twitter assistant. Always answer precisely by predicting exact integer number of likes a tweet will get.<|im_end|>
<|im_start|>user
On 2019-09-06 09:00:13, bbcworldservice from company bbc tweeted. The tweet was "Astrid has leukaemia. But, because she is mixed race, she faces a huge challenge to find a stem cell donor. <hyperlink>". The most similar tweets were, 
1. On 2018-07-07 14:01:13, CNN handle of company cnn tweeted. The tweet was "This 3-year-old cancer survivor was a flower girl in her bone marrow donor's wedding <hyperlink> <hyperlink>". This tweet got 7471 number of likes. 
2. On 2018-07-03 06:16:00, CNN handle of company cnn tweeted. The tweet was "This 3-year-old cancer survivor was a flower girl in her bone marrow donor's wedding <hyperlink> <hyperlink>". This tweet got 13020 number of likes. 
3. On 2018-07-09 05:00:52, CNN handle of company cnn tweeted. The tweet was "This 3-year-old cancer survivor was a flower girl in her bone marrow donor's wedding <hyperlink> <hyperlink>". This tweet got 4992 number of likes. 
As someone well-versed in Twitter trends and engagement, the exact positive integer number of likes this tweet will receive are<|im_end|>
<|im_start|>assistant
