Database: california_schools
Question: What are the two most common first names among the school administrators? Indicate the district to which they administer.
SQL: SELECT DISTINCT T1.AdmFName1, T1.District FROM schools AS T1 INNER JOIN ( SELECT admfname1 FROM schools GROUP BY admfname1 ORDER BY COUNT(admfname1) DESC LIMIT 2 ) AS T2 ON T1.AdmFName1 = T2.admfname1