Table: chelsea_season_1969_70
Columns: date
round
opponent
venue
result
attendance
scorers

Question: What round was the game against Watford?
SQL: SELECT "round" FROM chelsea_season_1969_70 WHERE "opponent" = 'watford'

Question: What round was the game with a result of 5-1 at N venue?
SQL: SELECT "round" FROM chelsea_season_1969_70 WHERE "venue" = 'n' AND "result" = '5-1'

Question: What is the highest attendance at a game with a result of 5-1?
SQL: SELECT MAX("attendance") FROM chelsea_season_1969_70 WHERE "result" = '5-1'