Table: wti_tournaments
Columns: tournament
also_currently_known_as
city
country
court_surface
defending_champion

Question: What tournament is in katowice?
SQL: SELECT "tournament" FROM wti_tournaments WHERE "city" = 'Katowice'

Question: How many tournaments are also currently known as the hp open?
SQL: SELECT COUNT("country") FROM wti_tournaments WHERE "also_currently_known_as" = 'HP Open'

Question: How many defending champs from thailand?
SQL: SELECT COUNT("defending_champion") FROM wti_tournaments WHERE "country" = 'Thailand'