user: Question: Who has an X under Jump 1, a Jump 2 of 7.28, and what is this person's Best Jump?
Columns: ['Athlete Name', 'Jump 1', 'Jump 2', 'Jump 3', 'Best Jump']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Gregory Bell ( USA )', '6.98', '7.83', '7.77', '7.83 m']
SQL:

assistant: SELECT "Best Jump" FROM "Table" WHERE "Jump 1" = 'X' AND "Jump 2" = '7.28';