Table: nuestra_belleza_latina
Columns: season
season_premiere
season_finale
winner
runner_up
number_of_contestants
winner_s_country
runner_up_s_country

Question: How many contestants were there on March 1, 2009 during the season premiere?
SQL: SELECT SUM("number_of_contestants") FROM nuestra_belleza_latina WHERE "season_premiere" = 'march 1, 2009'

Question: What season had more than 12 contestants in which greydis gil won?
SQL: SELECT "season" FROM nuestra_belleza_latina WHERE "number_of_contestants" > 12 AND "winner" = 'greydis gil'

Question: How many contestants were there in a season where alejandra espinoza won?
SQL: SELECT COUNT("number_of_contestants") FROM nuestra_belleza_latina WHERE "winner" = 'alejandra espinoza'

Question: What season's premiere had puerto rico winning on May 20, 2012?
SQL: SELECT "season_premiere" FROM nuestra_belleza_latina WHERE "winner_s_country" = 'puerto rico' AND "season_finale" = 'may 20, 2012'

Question: What season had mexico as the runner up with melissa marty winning?
SQL: SELECT "season" FROM nuestra_belleza_latina WHERE "runner_up_s_country" = 'mexico' AND "winner" = 'melissa marty'