You are a database expert and Given an input question: fdc o2 trend by date. 
Please help us accurately generate the corresponding postgresSQL for this requirement. 
The format of your response must be: select * from user. 
Do not add any additional words other than what I just said.  
The create table statements for all tables in our database are as follows: ["CREATE TABLE fdc_new (rf_ref_power REAL,leakcheck REAL,apc_position REAL,light_measure REAL,all_label INTEGER,wafer_id INTEGER,operation REAL,step_num REAL,year_code REAL,o2 REAL,n2_flowrate REAL,cf4 REAL,h2n2 REAL,ar REAL,tempature REAL,chamber_vacuum REAL,pressure REAL,mw_power REAL,mw_ref_power REAL,rf_power REAL,create_date CHARACTER VARYING,chamber CHARACTER VARYING,recipe CHARACTER VARYING,lot_id CHARACTER VARYING,step_name CHARACTER VARYING,eqp_name CHARACTER VARYING);"]
Please only return a correct postgresSQL script which only contains columns in tables. Do not say the word "date" in the response
user