Database: geo
Question: what states border states that border states that border states that border texas
SQL:
SELECT t1.border FROM border_info AS t2 JOIN border_info AS t1 ON t2.border  =  t1.state_name JOIN border_info AS t3 ON t3.border  =  t2.state_name JOIN border_info AS t4 ON t4.border  =  t3.state_name WHERE t4.state_name  =  "texas";