CREATE TABLE table_name_21 (pop__2010_ INTEGER, latitude VARCHAR(255), land___sqmi__ VARCHAR(255), ansi_code VARCHAR(255), longitude VARCHAR(255))
Which Pop (2010) has an ANSI code smaller than 1036864, and a Longitude larger than -98.46611, and a Land (sqmi) smaller than 36.238, and a Latitude smaller than 48.144102?
    
SQL: SELECT AVG(pop__2010_) FROM table_name_21 WHERE ansi_code < 1036864 AND longitude > -98.46611 AND land___sqmi__ < 36.238 AND latitude < 48.144102