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 prescribes ( physician number, patient number, medication number, date time, appointment number, dose text )
TABLE: CREATE TABLE room ( roomnumber number, roomtype text, blockfloor number, blockcode number, unavailable boolean )
TABLE: CREATE TABLE nurse ( employeeid number, name text, position text, registered boolean, ssn number )
TABLE: CREATE TABLE stay ( stayid number, patient number, room number, staystart time, stayend time )
TABLE: CREATE TABLE medication ( code number, name text, brand text, description text )
TABLE: CREATE TABLE on_call ( nurse number, blockfloor number, blockcode number, oncallstart time, oncallend time )
TABLE: CREATE TABLE physician ( employeeid number, name text, position text, ssn number )
TABLE: CREATE TABLE undergoes ( patient number, procedures number, stay number, dateundergoes time, physician number, assistingnurse number )
TABLE: CREATE TABLE affiliated_with ( physician number, department number, primaryaffiliation boolean )
TABLE: CREATE TABLE department ( departmentid number, name text, head number )
TABLE: CREATE TABLE procedures ( code number, name text, cost number )
TABLE: CREATE TABLE patient ( ssn number, name text, address text, phone text, insuranceid number, pcp number )
TABLE: CREATE TABLE appointment ( appointmentid number, patient number, prepnurse number, physician number, start time, end time, examinationroom text )
TABLE: CREATE TABLE trained_in ( physician number, treatment number, certificationdate time, certificationexpires time )
TABLE: CREATE TABLE block ( blockfloor number, blockcode number )

### Question ###
What nurses are on call with block floor 1 and block code 1? Tell me their names.

### Accurate SQL ###

SELECT nurse FROM on_call WHERE blockfloor = 1 AND blockcode = 1