Question: What is the fewest number of occ championships for the team that last won an outright occ championship in 2006?
Schema: create table table_17429402_7 (occ_championships integer, last_outright_occ_championship varchar, PRIMARY KEY (occ_championships))
SQL: select min(occ_championships) from table_17429402_7 where last_outright_occ_championship = "2006"