user: Question: How many elapsed times were recorded for the game that had a prize pool of $1,678,200?
Columns: ['Date', 'Event #', 'Event', 'Winner', 'Prize', 'Entries', 'Prize Pool', 'Elapsed Time']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['May 8', '1L', "$22 No Limit Hold'em [6-max]", 'willrobrobu', '$34,358.84*', '19,946', '$398,920', '[2-Day] event']
SQL:

assistant: SELECT COUNT("Elapsed Time") FROM "Table" WHERE "Prize Pool" = '$1,678,200';