Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_18018 ( "Week" real, "Date" text, "Opponent" text, "Result" text, "Game site" text, "Record" text, "Attendance" real )

### Question ###
What week did the Seahawks play at los angeles memorial coliseum?

### Accurate SQL ###

SELECT MIN("Week") FROM table_18018 WHERE "Game site" = 'Los Angeles Memorial Coliseum'