SELECT p.first_name AS contributor_first,p.last_name AS contributor_last,p2.first_name AS enterer_first,p2.last_name AS enterer_last,t.* FROM people p,people p2,samples t,register t2 WHERE t.contributor_no=p.person_no AND t.enterer_no=p2.person_no AND t.sample_no=t2.sample_no AND genus='Pitta' AND species='guajana' GROUP BY t.sample_no SELECT life_form FROM register WHERE genus='Pitta' LIMIT 1 SELECT corrected_richness AS estimate FROM samples WHERE sample_no=1043 SELECT corrected_richness AS estimate FROM samples WHERE sample_no=1098 SELECT corrected_richness AS estimate FROM samples WHERE sample_no=1099 SELECT corrected_richness AS estimate FROM samples WHERE sample_no=1100 SELECT corrected_richness AS estimate FROM samples WHERE sample_no=1668 SELECT genus FROM register WHERE register_no IN (91465,95044,98262,67342,41107,21449,39175,40918,1442,95938) AND species REGEXP '^[a-z]*$'