Table schema:
CREATE TABLE table_23995075_2 (teams_that_can_still_qualify VARCHAR, teams_that_have_secured_qualification VARCHAR, teams_started VARCHAR)

Question: How many teams can still qualify when there are 0 teams that have secured qualification and 52 teams started?
SQL: SELECT teams_that_can_still_qualify FROM table_23995075_2 WHERE teams_that_have_secured_qualification = "0" AND teams_started = "52"