CREATE TABLE table_name_45 (date VARCHAR(255), athlete VARCHAR(255), record VARCHAR(255))
What is the Date when yelena isinbayeva was the Athlete, with a Record of 4.90m(16ft0¾in)?
    
SQL: SELECT date FROM table_name_45 WHERE athlete = "yelena isinbayeva" AND record = "4.90m(16ft0¾in)"