user: Question: Post 1994, who are the winners of Sportsperson from the National Basketball Association?
Columns: ['Year', 'Sportsperson', 'Nationality', 'Team', 'Competition , federation , or league', 'Sport']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1993.0, 'Gary Sheffield', 'United States', 'San Diego Padres', 'Major League Baseball', 'Baseball']
SQL:

assistant: SELECT "Sportsperson" FROM "Table" WHERE "Year" > 1994.0 AND "Competition , federation , or league" = 'National Basketball Association';