Table: power_slam_results
Columns: col
name
country
1
2
3
other_placings
total
first_appearance
last_appearance
federation

Question: What countries does the Rock come from?
SQL: SELECT COUNT("country") FROM power_slam_results WHERE "name" = 'The Rock'

Question: How many times has a wrestler whose federation was roh, wwe competed in this event?
SQL: SELECT COUNT("other_placings") FROM power_slam_results WHERE "federation" = 'ROH, WWE'

Question: What are the rank/s of Eddie Guerrero?
SQL: SELECT "col" FROM power_slam_results WHERE "name" = 'Eddie Guerrero'

Question: How many times has a wrestler from the country of England wrestled in this event?
SQL: SELECT COUNT("2") FROM power_slam_results WHERE "country" = 'England'