rank lane name nationality time notes
rank
lane
name
nationality
time
notes
number
number
number min sec
number number text text time text
1 5 eskender mustafaiev ukraine 1:03.49 q
how many participants in heat 2 had a time that was at least under 50 seconds ?
WRB JJ NNS IN NN CD VBD-AUX DT NN WDT VBD-AUX IN JJS IN CD NNS .