21

SELECT c.name
        , EXTRACT(MONTH FROM CAST(frr.funded_at AS date)) AS month
FROM company AS c
LEFT JOIN funding_round AS frr ON c.id=frr.company_id
WHERE category_code='social' AND c.id IN (
    SELECT i.company_id
    FROM investment AS i
    INNER JOIN funding_round AS fr ON i.funding_round_id=fr.id
    WHERE EXTRACT(YEAR FROM CAST(fr.funded_at AS date)) BETWEEN 2010 AND 2013
        AND fr.raised_amount > 0
)