MYSQL filter by count of another table

I'm beggining with MYSQL. I have the following query:

SELECT answers.data. * , COUNT( answers.reports.id ) AS rcount
FROM answers.data
LEFT JOIN answers.reports ON answers.data.id = answers.reports.answer_id
WHERE answers.data.question='4'
GROUP BY answers.data.id

It's returning me all answers to the current question with an added column called rcount (number of reports)

I want it to return only those with less than 3 reports. I tried the following code:

SELECT answers.data. * , COUNT( answers.reports.id ) AS rcount
FROM answers.data
LEFT JOIN answers.reports ON answers.data.id = answers.reports.answer_id
WHERE answers.data.question='4' AND rcount < '3'
GROUP BY answers.data.id

but apr开发者_JAVA百科rently that's not where the new condition goes. I can't find in the manual a solution since I'm new to this. Thanks

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Use a HAVING clause:

SELECT answers.data.* , COUNT( answers.reports.id ) AS rcount
FROM answers.data
LEFT JOIN answers.reports ON answers.data.id = answers.reports.answer_id
WHERE answers.data.question='4'
GROUP BY answers.data.id
HAVING COUNT( answers.reports.id ) < 3