user: Question: What was the playoff result where the league Did not qualify in the Open Cup in 1998?
Columns: ['Year', 'Division', 'League', 'Regular Season', 'Playoffs', 'Open Cup']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [1998.0, 4.0, 'USISL PDSL', '3rd, Southeast', 'Division Semifinals', 'Did not qualify']
SQL:

assistant: SELECT "Playoffs" FROM "Table" WHERE "Open Cup" = 'Did not qualify' AND "Year" = 1998.0;